the purpose of the ear canal is to conduct sound vibrations to the tympanic membrane and a) prevent damage to the tympanic membrane b) dampen loud sounds so they do not damage the inner ear c) transduce sound waves into electric signals d) provide vestibular feedback to the nervous system e) code the amplitude and frequency of sounds
Answers
The purpose of the ear canal is to conduct sound vibrations to the tympanic membrane and (a) prevent damage to the tympanic membrane. The ear canal also helps to amplify and localize sound waves and provides a protective barrier against foreign objects and insects from entering the ear.
It act as a barrier to foreign objects and by helping to dampen loud sounds so they do not harm the inner ear. While the ear canal itself does not transduce sound waves into electric signals, this is one of the functions of the inner ear, which receives the vibrations from the tympanic membrane.
Additionally, the ear canal does not provide vestibular feedback to the nervous system, which is the responsibility of the inner ear's vestibular system. Finally, while the ear canal may help to code the amplitude and frequency of sounds, this is primarily the role of the cochlea, which is also part of the inner ear.
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Related Questions
farm animals can be classified based on what
Answers
Answer:
SEE BELOW
Explanation:
Farm animals are classified based on the following: Size, Habitat, Mammals, Non-mammal, and their types of stomach.
the ratio of south american butterflies to north american butterflies in carrollton is 3:5. if there are 30 south american butterflies, how many north american butterflies would you expect to see in carrollton?
Answers
In Carrollton, you would expect to see 50 North American butterflies when there are 30 South American butterflies, based on the 3:5 ratio.
To determine the number of North American butterflies in Carrollton, we can use the given ratio of South American to North American butterflies, which is 3:5. Since there are 30 South American butterflies, we first need to find the equivalent of the ratio when the South American butterfly count is 30. To do this, divide 30 by the original ratio for South American butterflies, which is 3 (30 ÷ 3 = 10).
Next, multiply this value (10) by the ratio of North American butterflies, which is 5 (10 × 5 = 50). Therefore, you would expect to see 50 North American butterflies in Carrollton when there are 30 South American butterflies.
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what level of ecology is concerned with groups of individuals of different species? group of answer choices
Answers
The level of ecology that is concerned with groups of individuals of different species is called community ecology. It is a subfield of ecology that focuses on the study of interactions between species within an ecosystem. Community ecology studies the structure, composition, and dynamics of biological communities and how they respond to changes in the environment.
Community ecology deals with the interactions among different species in a community and how they influence each other. It focuses on the factors that affect the diversity, abundance, and distribution of species in a community. The interactions among species include predation, competition, mutualism, parasitism, and commensalism.
Community ecology also examines the role of physical and chemical factors such as temperature, water availability, soil type, and nutrients in shaping the community structure.
Community ecology is concerned with both abiotic and biotic factors that affect the interactions among species. Abiotic factors refer to non-living components of the environment such as temperature, water availability, and soil type.
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Classify photosynthesis and cellular respiration as endergonic or exergonic. Explain how you know.
Answers
Explanation:
photosynthesis is an endergonic process as it involves the absorbtion of energy (in the form of sunlight), while cellular respiration is an exergonic process as it involves the release of energy in the form of ATP molecules-the energy currency of the cell.
For the light stage of photosynthesis to occur, sunlight must be present. At
this time, water is split to produce which of the following?
Answers
Answer:
Explanation:
Water is split into oxygen (O2), protons (which are then used to form ATP), and electrons (which travel down the electron transport chain)
(c) find the longest interval during which no tree-cutting samples occurred. what is the first year that no tree-cutting samples occurred in that interval?
Answers
Answer:
Longest interval during which no tree-cutting sample occurred: 9 years (1203 AD - 1212 AD)
First year in that interval: 1203 AD
Explanation:
Lets complete the question first.
Q) A study uses tree rings to determine the year in which a tree was cut. The data is shown in the leaf and stem diagram in the ATTACHMENT.
The three digits number in the left column represents centuries and decades AD. The numbers on the right represents the years.
For example, consider the first input in the diagram
119 | 5 6
which means it represents 2 samples.
1195 AD, 1196 AD.
The longest interval with no tree-cutting samples is found from 1203 AD to 1212 AD.
Why can't scientific theories become scientific laws?
URGENT!!
Answers
Answer:
A theory does not change into a scientific law with the accumulation of new or better evidence. A theory will always remain a theory; a law will always remain a law. Both theories and laws could potentially be falsified by countervailing evidence. Theories and laws are also distinct from hypotheses. There are times where those experiments or tests can be influenced by context, and scientists are also using that information to better understand theories. Based on that definition, theories never change into laws, no matter how much evidence out there supports them
Answer:
A theory does not change into a scientific law with the accumulation of new or better evidence. A theory will always remain a theory; a law will always remain a law. Both theories and laws could potentially be falsified by countervailing evidence. Theories and laws are also distinct from hypotheses.
Explanation: a theory can change with some new piece of evidence. Scientific laws or laws of science are statements, based on repeated experiments or observations.
Which of the following is responsible for epidemics of respiratory disease in infants? A) rhinovirus. B) adenovirus. C) respiratory syncytial virus
Answers
Respiratory syncytial virus is responsible for epidemics of respiratory disease in infants.
RSV is the maximum common motive of bronchiolitis (infection of the small airways in the lung) and pneumonia (infection of the lungs) in children younger than 1 yr of age within the america.
RSV is the most not unusual reason of respiratory tract illness in kids below 2 years of age; it is the essential motive of bronchiolitis, pneumonia, croup, bronchitis, and otitis media. The influenza viruses are especially contagious and can motive large epidemics.
Rhinoviruses are the maximum common cause. Viruses are spread with the aid of breathing in air droplets of the infected individual who coughs, sneezes or maybe laughs much less than 6 feet out of your child. The virus can also be unfold through touching some thing that the inflamed man or woman has sneezed, coughed or drooled on.
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Based on the trends you observed in the laboratory exercise, which objects would you expect to be attracted to a bar magnet? Check all that apply.
a metal hammer
a wooden ruler
a plastic car
the metal frame of your chair
the paper in your notebook
the screws and nails that hold your desk together
Answers
Answer:
The correct answer is - 1. a metal hammer
4. the metal frame of your chair
6. the screws and nails that hold your desk together.
Explanation:
Bar magnets are rectangular objects made up of ferromagnetic objects or substances and must carry the north and south pole ends. These objects show ferromagnetism and attract any ferromagnetic metal such as iron, steel or ferromagnetic composite.
In the case of the same ends, for instance, the north-north pole of two magnets repulse and opposite attract to one another. From the given options the correct answer is a metal hammer, the metal frame of chair and screws and nails that hold the desk.
Answer:
A.)
D.)
F.)
Explanation:
The person above me is correct, please say thanks to them
The picture below shows two bodies of water, a pond and a lake. How will these bodies of water most likely experience ecological succession? A The pond environment will be home to more fish and other organisms due to having more resources than the lake environment has. B The pond environment will soon turn into land, but the lake environment will spread into a larger body of water. C The pond environment will grow more plants at its bottom due to having more access to sunlight than the lake environment has. D The pond environment will soon spread into a lake, but the lake environment will recede until there is very little water left.
Answers
Answer:
The answer should be C. 0000
Succession in a pond and a lake will differ because ponds are usually shallower than lakes.
What is succession?It is the gradual changes to the community of organisms in an environment until a stable community is achieved.
Succession in water bodies may involve the gradual replacement of water by aquatic plants and then by terrestrial plants.
Ponds are usually shallower than lakes. Thus, ponds will receive more sunlight than lakes and grow more plants than lakes as time goes by.
Light is an important factor for plants to grow in any ecosystem.
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which major duct carries a fluid rich in bicarbonate ions?
Answers
The major duct that carries a fluid rich in bicarbonate ions is the pancreatic duct.
The pancreas plays a vital role in digestion by producing digestive enzymes and bicarbonate ions. Bicarbonate ions help neutralize the acidic contents coming from the stomach as they enter the small intestine. The pancreatic duct connects the pancreas to the duodenum, the first part of the small intestine.
Within the pancreas, specialized cells called ductal cells secrete a solution containing bicarbonate ions into the pancreatic duct. This fluid, along with the digestive enzymes, is then transported through the pancreatic duct and released into the duodenum. The bicarbonate ions in the pancreatic fluid help maintain the alkaline environment required for proper digestion and absorption of nutrients in the small intestine.
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What are the products of glycolysis?
OA. Pyruvate and glucose
OB. NADH, ATP, and pyruvate
OC. ATP, ADP, and NADH
OD. Glucose and ATP
Answers
Explanation:
The correct answer is OB. The products of glycolysis are two molecules of pyruvate, two molecules of NADH, and a net gain of two molecules of ATP.
The table below shows the amount of carbohydrates in similar servings of different fruits.
Amount of Carbohydrates in Fruit
237 mL of Fruit
Carbohydrates (Grams)
Apples
17
Bananas
34
Cherries
19
Grapefruit
24
Oranges
21
Peaches
16
Watermelons
12
If this data was placed in a bar graph, which statement would describe the graph?
The graph would have only four bars shorter than the bar for grapefruits.
The graph would have five bars taller than the bar for apples.
The graph would have grapefruits and oranges as the tallest bars.
The graph would have only one bar shorter than the bar for peaches.
Answers
Peaches and watermelons contain the fewest carbs of any fruit. Water's graph would've been shorter since it contains fewer carbohydrates than peaches. As an outcome, the correct answer is D.
What exactly is a bar graph?A bar graph likens different values, with longer bars representing larger numbers.
Bar graphs are also renowned as bar charts. You have the option of making a vertical or horizontal bar graph. Use a bar graph to show how different things compare in regards to size or value.
Peaches and watermelons have the lowest carbohydrate content of any fruit. Water would have a shorter graph since it uses approximately carbohydrates than peaches.
As a result, D is the correct answer.
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The missing image of the question is attached below:
When are feedback loops used in any system? question 1 options: when the system needs more of something. when the system needs an enhanced outcome. when a stimulus causes the system to move out of balance. only in emergency situations.
Answers
Feedback loops are used in any system: when a stimulus causes the system to move out of balance.
Feedback loops are designed to help a system maintain equilibrium or balance by adjusting the system's inputs or outputs.
There are two types of feedback loops, positive and negative. A positive feedback loop amplifies the system's response to a stimulus, while a negative feedback loop dampens or reduces the system's response to a stimulus.
Feedback loops are essential for maintaining the stability and performance of a system in a wide range of fields, from biology to engineering.
Feedback loops are used to address a variety of challenges, such as maintaining a constant temperature in a building, regulating glucose levels in the body, or controlling the speed of a motor.
In each case, feedback loops are used to monitor the system's output and adjust the input to ensure that the output stays within a certain range.
Feedback loops can also be used to improve a system's performance by continuously adjusting the input based on the system's output.
Overall, feedback loops are a fundamental concept in systems theory and play a crucial role in ensuring that a system remains balanced and achieves its desired outcomes.
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Could you do this experiment with a grasshopper instead of peas predict what the results would be:_______
Answers
The results may not be as expected if the experiment examining the inheritance patterns of a certain attribute is carried out using grasshoppers rather than peas due to genetic differences between the two species.
In contrast to plants like peas, grasshoppers often display diverse reproductive strategies and genetic make-up. In grasshoppers, variables including sex-linked inheritance, environmental factors, or polygenic inheritance may have an impact on the observed inheritance patterns of the particular feature. The results may show patterns of dominant or recessive inheritance, partial dominance, codominance, or sex-linked inheritance, depending on the particular feature being studied. In order to accurately forecast the results of this experiment, it is essential to take into account the distinctive genetic traits of grasshoppers as well as their reproductive biology.
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--The complete Question is, Could you do this experiment with a grasshopper instead of peas? Predict what the results would be in terms of the observed inheritance patterns of a specific trait. --
Which of the following statements is MOST accurate?
a. Most people who engage in gambling activities become addicted to it
and end up taking bankruptcy because they cannot pay their bills.
b. People at lower income levels lower use a larger percentage of their
income to buy lottery and scratch tickets than people at higher levels of
income.
c. Gambling is a moral issue, with little or no economic or financial impact
on individuals or society.
d. Casinos only have a positive impact on communities because they create
jobs and generate wealth.
Answers
Answer:
C
Explanation:
A mutation was made in the Drosophila gene sex lethal such the third exon was never spliced out. What is most likely effect this mutation will have on sex determination? All female All male Will not alter sex determination 50:50 sex ratio
Answers
Drosophila exhibits an XY sex-determination system, where males have one X chromosome and one Y chromosome (XY), while females have two X chromosomes (XX). The key gene involved in sex determination in Drosophila is called the Sex-lethal (Sxl) gene.
The Sxl gene is located on the X chromosome and is responsible for controlling the sexual development of the fly. The mutation in the Drosophila gene sex lethal, where the third exon was never spliced out, will most likely result in an all-female sex determination. This is because the sex-lethal gene plays a critical role in regulating sex determination in Drosophila, and the mutation is likely to disrupt this process. Without proper splicing of the third exon, the sex-lethal protein may not function correctly, leading to a female-specific developmental pathway. Therefore, the most likely effect of this mutation is an all-female sex determination.
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Usable chemical energy on Earth begins as light energy, usually solar energy. Plants and other autotrophs convert solar energy to
Chemical energy via the process of photosynthesis. Carbon dioxide and water, in the presence of light, are transformed into glucose.
The chemical energy is stored in the chemical bonds of glucose and is released during the process of cellular respiration. Cellular
respiration releases the chemical energy stored in food molecules to produce high-energy ATP molecules. Macromolecules such as
carbohydrates and fats can be used as fuels for the production of ATP. All foods contain chemical energy, but the amount of chemical
energy is dependent of the type of food. The larger the compound, the more chemical bonds present and the greater amount of
available chemical energy. We can rank molecule size, from smallest to largest, as sugar, starch, fat. We refer to the stored chemical
energy in foods as calories. A calorie is the amount of energy required to raise the temperature of 1 gram of water 1 degree Celsius.
When we refer to the calories in food, we are really talking about kilocalories or 1000 calories. Biology students "burned" 2 grams of
food to heat water in a calorimeter in order to determine which food items contain the most usable chemical energy.
Almonds may be small, but they pack a great number of nutrients, including protein, vitamin E, and vitamin B2. Almonds also contain
antioxidants and monounsaturated fat, a "good" type of fat that, like the omega-3 fatty acids, reduces the risk of heart disease.
Review the graph that represents the whole class data. Notice that the almond samples provide a large amount of chemical energy.
What is the BEST explanation for this large amount of available energy? (1 point)
Answers
Answer:
f0ll0w me on insta gram Id:Anshi threddy_06 (no gap between I and t)
Why don’t we see an eclipse each month
Answers
Answer:
This is why we don't get a lunar eclipse every month.It's true that the moon goes around Earth every month, but it doesn't always get in Earth's shadow. The moon's path around Earth is tilted compared to Earth's orbit around the sun. The moon can be behind Earth but still get hit by light from the sun.
Explanation:
Hope this helped Mark BRAINLEST!!
Most organic matter decomposition in ocean water and sediments is mediated by bacteria. Different species of bacteria are capable of utilizing different oxidants during organic matter oxidation. For example, aerobic bacteria oxidize organic matter with molecular oxygen. Denitrifying and sulfate reducing bacteria oxidize organic matter with nitrate and sulfate, respectively. a. Using acetate (CH
3
COOH) as a model organic compound, calculate standard free energies of reaction (ΔG
∘
) for organic matter oxidation via O
2
Assume that reactions occur in aqueous solution at 25
∘
C and 1 atm pressure. Use the ΔGG
∘
values given here: G
O
0
acetate =−396.6 kJ mol
−1
G
O
OO
2
(aq)=16.32 kJ mol
−1
Gaf
o
CO
2
(ag)=−386.23 kJ mol
−1
G
o
o
H
2
O=−237.18 kJ mol
−1
Simplified reaction stoichiometries are given below: CH
3
COOH
1
+2O
2
(aq)=2CO
2
(aq)+2H
2
O(l) 5. Does the reaction in question 4 occur spontaneously or not? How do you know?
Answers
The reaction in question 4 occurs spontaneously.
The reaction in question 4 involves the oxidation of acetate (CH3COOH) by molecular oxygen (O2) to form carbon dioxide (CO2) and water (H2O). The standard free energy of reaction (ΔG°) for this reaction can be calculated using the standard Gibbs free energy of formation (ΔG°f) of acetate and the standard Gibbs free energy of formation (ΔG°f) of CO2 and H2O.
The standard Gibbs free energy of formation (ΔG°f) for acetate is given as:
ΔG°f(acetate) = -396.6 kJ/mol
The standard Gibbs free energy of formation (ΔG°f) for CO2 is given as:
ΔG°f(CO2) = -386.23 kJ/mol
The standard Gibbs free energy of formation (ΔG°f) for H2O is given as:
ΔG°f(H2O) = -237.18 kJ/mol
The overall reaction for the oxidation of acetate to form CO2 and H2O is given by:
CH3COOH + O2 → CO2 + H2O
Using the standard Gibbs free energy of formation, we can calculate the standard free energy of reaction (ΔG°) for the reaction as follows:
ΔG° = ΔG°f(acetate) + ΔG°f(CO2) + ΔG°f(H2O) - RT ln Q
where R is the gas constant, T is the temperature in Kelvin, and Q is the reaction quotient (Q = [products]/[reactants]).
Substituting the standard Gibbs free energy of formation values into the equation, we get:
ΔG° = (-396.6 kJ/mol) + (-386.23 kJ/mol) + (-237.18 kJ/mol) - (8.314 J/mol·K) ln ([CO2] / [CH3COOH])
Simplifying the equation, we get:
ΔG° = -1441.5 kJ/mol
Since the standard free energy of reaction is negative, the reaction is spontaneous and will occur in the forward direction at standard conditions. Therefore, The reaction in question 4 occurs spontaneously.
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three functions of living organisms. Which one does not involve mitosis?
growth
reproduction
repair
Answers
Answer:
Repair
Explanation:
Although attention-deficit/hyperactivity disorder (ADHD) is commonly diagnosed, the cause of ADHD has been difficult to determine. The main reason for this is that
Answers
The cause of ADHD has been difficult to determine. The main reason for this is that since behavioral profiles vary, it is likely that there is more than one cause.
A neurodevelopmental disorder known as attention deficit hyperactivity disorder (ADHD) is characterized by pervasive, impairment-inducing, and otherwise age-inappropriate levels of excessive inattention, hyperactivity, and impulsivity.
Executive dysfunction is the root cause of ADHD symptoms, and emotional dysregulation is frequently regarded as a core symptom. In youngsters, issues focusing might bring about unfortunate school execution. ADHD is linked to a number of other mental, neurodevelopmental, and non-psychiatric disorders that can make life more difficult, especially in today's society. Despite the fact that individuals with ADHD battle to zero in on assignments they are not especially keen on finishing, they are frequently ready to keep an uncommonly delayed and extreme degree of consideration for errands they really do see as fascinating or fulfilling; The term for this is hyperfocus.
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31 . describe the different criteria that contribute to how skeletal muscles are named.
Answers
There are several different criteria that contribute to how skeletal muscles are named. These include:
1. Location: Muscles are often named based on their position in the body, such as the temporalis muscle found in the temporal region of the skull.
2. Shape: The unique shape of a muscle can also influence its name, like the deltoid muscle, which has a triangular (delta) shape.
3. Size: Muscles can be named according to their size, such as the gluteus maximus (largest) and gluteus minimus (smallest) muscles in the buttocks.
4. Direction of muscle fibers: The orientation of muscle fibers can also determine a muscle's name, such as the rectus abdominis, where "rectus" means the fibers run straight (in parallel) within the muscle.
5. Number of origins: Muscles with multiple origin points might be named accordingly, like the biceps brachii, which has two origin points (bi- meaning two).
6. Function: A muscle's function or action can influence its name, such as the adductor muscles, which are responsible for adducting (bringing together) body parts.
By combining these different criteria, a unique and descriptive name can be assigned to each skeletal muscle, making it easier for professionals to identify and discuss them.
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list 20 biomes in Nigeria and Africa
Answers
Here is a list of 20 biomes that can be found in Nigeria and Africa:
RainforestDesertSavannaGrasslandWetlandTundraTaigaTemperate deciduous forestTemperate coniferous forestTropical dry forestTropical wet forestMontane forestMangrove forestScrublandWoodlandThicketChaparralMediterranean forestSubtropical forestMountain biomes (such as alpine or subalpine)It's important to note that biomes are large, distinct regions of the world that are characterized by their climate, vegetation, and animal life. These biomes can vary greatly in size and can be found in different parts of the world, including Africa and Nigeria.
What is an Organism?
Answers
Answer: Any living thing that functions as an individual entity, by means of organs.
Hope this helps :)
Explanation:
Reacting to stimuli, reproducing, growing, and maintaining homeostasis are all characteristics of living beings. Specified groups of organisms, such as multicellular animals and plants, are classed according to taxonomy.
A living organism is what?A living entity is therefore anything that contains life and uses cells as its fundamental form of organization. The list of living things includes people, fungus, algae, trees, animals, bacteria, protozoa, and insects.
Is a live thing an organism?A living thing's ability to feed, breathe, expel waste, and carry out all other essential processes of life is made possible by the components that make up its cells. The parts fit and function together because they are organized, which they are. This is the basis for the term "organism" to describe living creatures.
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Why do twins Lucy & Maria look so different? Explain how Lucy and Maria truly are fraternal twins, yet look so different from one another.
-Use our model of Gamete Formation to support your explanation.
-How does the hereditable information get from the parents to the offspring?
In your own words: What is crossing over? Why do we do it?
Answers
Fraternal twins are twins or embryos, produced from two different egg and sperm, and genetically distinct.
According to this question, Lucy and Maria as seen in the above image are twins but they look so different. This is because they are products of the different sperms and egg cells. They only shared the same womb.
Crossing over refers to the exchange of DNA (genetic material) between paired homologous chromosomes (one from each parent) that occurs during the development of egg and sperm cells (meiosis).
Crossing over occurs during gamete formation so as to enable that genetic diversity occurs between species of an organism.
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a channel opens on a postsynaptic membrane that causes a hyperpolarizing postsynaptic potential. what kind of ions may be flowing though this channel?
Answers
If a channel opens on a postsynaptic membrane that causes a hyperpolarizing postsynaptic potential, it is likely that an influx of negatively charged ions is occurring.
Specifically, chloride ions (Cl-) are known to cause hyperpolarization when they enter the neuron. This is because they are negatively charged and can counteract the positive charge of other ions like sodium (Na+) and potassium (K+). When chloride ions enter the neuron, they make the inside of the neuron more negative, which makes it harder for the neuron to fire an action potential. This leads to a decrease in neuronal activity and is why chloride channels are often associated with inhibitory synapses in the brain.
It is important to note that other negatively charged ions, such as bicarbonate ions (HCO3-), can also flow through channels and cause hyperpolarization. However, chloride ions are the most common and well-studied ion involved in hyperpolarizing postsynaptic potentials.
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What type of cells do not have a nucleus?
Answers
Answer:
Prokaryotes
Explanation:
Answer:
Prokaryotes
Explanation:
A species of worm is active at night, and comes to the top of the soil only when it is dark outside. In the daytime, the members of the species stay burrowed several inches beneath the soil. Which of these explanations BEST describes how this nocturnal behavior evolved in the species of worm?A)The worms have a predator with keen night vision.B)The worms have a predator that is active during the day.C)The worms rely on solar energy to increase their body temperature.D)The worms have increased mating opportunities at the surface that require visual cues.
Answers
We noticed that the exercise provides us with the following information:
• The animal is ,active at night, and only goes to the surface at night;
,• He stays during the day underground.
Analyzing the alternatives, we can say that:
• A) is incorrect. The animal goes to the top of the ground at night and this allows us to say that this time is "safe" for it. Therefore, your ,predator ,must be active during the day.
,• B) is correct. As mentioned in alternative "A", the predator is active during the day.
• C) is incorrect, as it remains buried during the day, so animals do not depend on solar energy.
• D) is incorrect, he increased his mating opportunities at night times.
Answer: B.
mammal-like reptiles first appeared during the late paleozoic ice age. how were they adapted to the cold conditions?
Answers
Because terrestrial reptiles (and amphibians) were significantly less impacted by the ecological changes, such as the increasing concentration of atmospheric carbon dioxide and the acidification of the seas, they appear to have survived the Permian extinction in vast numbers.
Which of the following best supports the theory that mammals descended from reptiles in terms of science?Fossils between 250 and 180 million years old offer proof that mammals descended from reptiles. Numerous species found in these fossils have characteristics with both reptiles and mammals to the point that they cannot be classified as belonging to either group.
The earliest mammals arose at least 178 million years ago, and they coexisted with dinosaurs until they were all exterminated 66 million years ago, with the exception of the birds.
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