How does productivity increase in terrestrial ecosystems? in aquatic ecosystems?.
Answers
In terrestrial ecosystems, productivity increases by moisture availability, temperature, length of seasons, and annual temperature.
A terrestrial ecosystem is a non-aquatic environment and is an area where all terrestrial organisms either biotic or abiotic interact with each other.
There are five primary terrestrial ecosystems which are tropical rainforests, deserts, grasslands, tundra, and taigas.
These ecosystems have a diverse variety of species and rich biodiversity.
Moreover, the particular characteristics of this area are less water availability, temperature fluctuations, and higher availability of light and gases.
Examples of terrestrial plants are the Chinese privet, Autumn Olive and British Yellowhead.
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Related Questions
T/F urethrorrhea is bleeding from the urethra
Answers
Answer: False
Explanation:
Urethrorrhea is bleeding from the urethra is false statement.
What is Urethrorrhea?Cystocele, a condition where the bladder herniates into the vagina, is one that affects women. An other name for this is a falling bladder. Cystocele is most frequently observed in menopausal and postpartum women.
Moreover, straining repeatedly and regularly to go to the bathroom or very heavy lifting can cause the bladder to collapse.
The wall separating the bladder and vagina tends to get weaker as a result of these activities. Urinary incontinence and an inability to completely empty the bladder are two signs of this illness.
Therefore, Urethrorrhea is bleeding from the urethra is false statement.
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5. A solar cellis a device that collects energy from the sun to make electricity. What part of a plant is most similar to a solar cell and how does it function to provide energy? 6. . How does cell structure suggest cell function?
Answers
Answer:
5. The part of a plant that is most similar to a solar cell is the chloroplast. Chloroplasts are specialized organelles found in plant cells that contain chlorophyll, a pigment that absorbs sunlight. They function in photosynthesis, the process by which plants convert sunlight, water, and carbon dioxide into glucose (a form of energy) and oxygen.
In photosynthesis, chloroplasts capture light energy from the sun and use it to generate chemical energy in the form of glucose. This process occurs in the thylakoid membranes within the chloroplasts, where chlorophyll molecules absorb light energy and convert it into chemical energy through a series of complex reactions. The chemical energy stored in glucose is then utilized by the plant for various cellular processes, including growth, development, and metabolism.
So, just like a solar cell converts sunlight into electricity, chloroplasts in plants harness sunlight to produce chemical energy in the form of glucose.
Cell structure provides important clues about its function. The specific organization and components of a cell determine its capabilities and the tasks it can perform within an organism.
For example, the presence of specialized organelles like mitochondria suggests that a cell is involved in energy production, as mitochondria are responsible for cellular respiration, the process that generates ATP (adenosine triphosphate), the energy currency of cells.
Similarly, the presence of ribosomes indicates that a cell is involved in protein synthesis, as ribosomes are responsible for assembling amino acids into proteins.
The shape and structure of a cell can also suggest its function. For instance, nerve cells have long, branching extensions called dendrites that enable them to receive and transmit electrical signals over long distances. Muscle cells are elongated and contain specialized proteins that allow them to contract and generate force for movement.
Overall, the structure of a cell is intricately related to its function, and by examining its components, organelles, and shape, we can gain insights into the specific roles and capabilities of different cell types within an organism.
Explanation:
PLEASE HURRY
what are the two major subdivisions of the nervous system?
Answers
The two major subdivisions of the nervous system
Central nervous system (CNS) Peripheral nervous system (PNS). The brain and spinal cord make up the central nervous system; the rest of the body is made up of the peripheral nervous system. The brain receives signals from the spinal cord to process.The cranial cavity of the skull houses the brain, while the vertebral cavity of the vertebral column houses the spinal cord. The word "peripheral nervous system" refers to the location of the nervous system, which is outside of the brain and spinal cord. Saying that the CNS is what is inside these two compartments and the peripheral nervous system is what is outside of them is a bit oversimplified, but it is one way to begin to think about it.The distinction between central and peripheral nervous systems is not always universal and depends on several features of the nervous system. In reality, a few peripheral nervous system components are located in the cranial or vertebral cavities. The nervous system's "power plant" has been referred to as the peripheral nervous system. It functions similarly to a system that gathers data and issues commands. The autonomic nervous system and the sensory-somatic nervous system are the other two divisions of the PNS. Later on, both will be covered in more detail.To know more about nervous system check the below link:
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QUESTION 1 Exercise 11.10. Butterflies. Alice, Bob, and Charlotte are looking for butterflies. They look in three separate parts of a field, so that their probabilities of success do not affect each other. • Alice finds 1 butterfly with probability 17%, and otherwise does not find one • Bob finds 1 butterfly with probability 25%, and otherwise does not find one • Charlotte finds 1 butterfly with probability 45%, and otherwise does not find one Let X be the number of butterflies that they find altogether. Write X as the sum of three indicator random variables, X1, X2, X3 that indicate whether Alice, Bob, Charlotte (respectively) found a butterfly. Then X= X1+X2 +X3. Find the expected value of X by finding the expected value of the sum of the indicator random variables. Your answer will have two decimal places. **This is a straight forward expected value of a sum of random variables, nothing fancy here! QUESTION 2 Exercise 11.16. Flipping coins. Flip a coin until the second head comes up. Let X be the number of flips needed to get the second head. What is the E(X). The first step is to find the expected value of getting the first head. Is this like Example 11.10, sampling without replacement, OR like Example 11.11, sampling with replacement? O A. Example 11.10, sampling without replacement O B. Example 11.11, sampling with replacement QUESTION 3 Exercise 11.16. Flipping coins. Flip a coin until the second head comes up. Let X be the number of flips needed to get the second head. What is the E(X). The first step is to find the expected value of getting the first head. What is the expected value of getting the first head? This will be an integer answer. QUESTION 4 Exercise 11.16. Flipping coins. Flip a coin until the second head comes up. Let X be the number of flips needed to get the second head. What is the E(X). The next step is to find the expected value of getting the second head. Because this is identical to finding the expected number of rolls for the first head (independent events), we just multiply the first head's expected value by 2. This will be an integer answer. QUESTION 5 Exercise 11.17 (a). Waiting for favorite song. Michael puts his iTunes on shuffle mode where songs are not allowed to be replayed. He has 2,781 songs saved on iTunes, and exactly one of these is his favorite. How many songs is he expected to have to listen to until his very favorite song comes up? Is this like Example 11.10, sampling without replacement, OR like Example 11.11, sampling with replacement? A. Example 11.11, sampling with replacement B. Example 11.10, sampling without replacement
Answers
In Exercise 11.10, the expected value of the number of butterflies found by Alice, Bob, and Charlotte is obtained by finding the expected value of the sum of three indicator random variables.
In Exercise 11.16, the expected value of the number of flips needed to get the second head in a coin flipping experiment is determined. These exercises involve different scenarios of sampling with and without replacement.
In Exercise 11.10, the expected value of X, the total number of butterflies found, is found by calculating the expected value of each indicator random variable (X1, X2, X3) representing whether Alice, Bob, and Charlotte found a butterfly, respectively.
The expected value of each indicator variable can be obtained by multiplying the probability of success (finding a butterfly) by 1 and the probability of failure (not finding a butterfly) by 0. Then, the expected value of X is calculated as the sum of the expected values of the indicator variables.
In Exercise 11.16, the expected value of X, the number of flips needed to get the second head, is determined. To find this value, we first need to find the expected value of getting the first head. This scenario is similar to Example 11.11, which involves sampling with replacement.
Each coin flip is an independent event, and the probability of getting a head is constant at 0.5.
Therefore, the expected value of getting the first head is 1/p, where p is the probability of success (0.5 in this case).
In Exercise 11.17 (a), the scenario of waiting for a favorite song in Michael's iTunes playlist involves sampling without replacement. Each song played is not replayed, and there is only one favorite song among the total number of songs.
Therefore, this scenario is similar to Example 11.10, sampling without replacement.
To find the expected number of songs Michael needs to listen to until his favorite song comes up, the formula for sampling without replacement is used, which is the reciprocal of the probability of selecting the favorite song at each step.
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you're studying a population of an endangered wildcat in india. this population has been hunted aggressively, but there was also a rumor that the remaining ones are heavily inbred. you sample all 500 remaining cats to look for evidence of inbreeding and get the following genotypes: aa: 31, aa: 188, aa: 281 what do you conclude?
Answers
We conclude that the cats are not detectably inbred when studying about the population of an endangered wildcat in India.
Signs of immoderate inbreeding encompass ordinary small clutter sizes (one or kittens), crooked noses, misaligned jaws, extraordinary eye set and asymmetry. Male and ladies might also additionally revel in low fertility and most cancers is greater not unusualplace in more youthful cats.
Inbreeding is the mating collectively of intently associated cats, as an instance mother/son, father/daughter, sibling/sibling matings and half-sibling/half-sibling. It is the pairing of animals which might be greater intently associated than the common population.
In the wild, there'll constantly be a few diploma of inbreeding when you consider that cats will obviously breed with their near loved ones if they arrive into touch with every different while the girl is in heat. Therefore, a few diploma of inbreeding is natural.
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Explain the importance of enzymes in a
chemical reaction.
Answers
Answer:
Enzymes allow many chemical reactions to occur within the homeostasis constraints of a living system. Enzymes function as organic catalysts. A catalyst is a chemical involved in, but not changed by, a chemical reaction. Many enzymes function by lowering the activation energy of reactions.
Explanation:
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what happens when a population cannot get enough food or water?
Answers
They starve and the population starts to decrease
Explanation:
Answer:
1.)It will result in increase in mortality(Death rate)
2.) Malnutrition
3.) Susceptible to diseases.
4.) decrease in revenue due to sick workers which have become prone to disease as a result of the effective blood vessels which are unable to perform their task(which is usually due to poor food and water supply)
Explanation:
With less food, whether incremental through smaller portion sizes or more drastic through skipped meals, people often earn less money and are more susceptible to health issues . The consequences for small children can be especially serious, leading to malnutrition and stunting.
To______
means to allow another
road user to cross or use an intersection or
roadway before you do.
Answers
Answer: Yield
Explanation: Yielding is an important traffic rule that promotes safety and smooth flow of traffic. It is an important practice that helps maintain order on the roads and promotes safety for all road users. It's essential to be attentive, follow traffic signs and signals, and be aware of the right of way rules in your area to ensure a safe driving experience.
When you yield, you give the right of way to another driver or pedestrian. This means that you let them go first, even if it might inconvenience you or require you to slow down or stop.
Yielding is typically required in situations such as:
Yielding to pedestrians: When you approach a crosswalk or intersection where pedestrians are waiting to cross, you should yield to them and allow them to safely cross the road before you continue to drive. Drivers must yield to pedestrians within a crosswalk.
Yielding at intersections: When you approach an intersection where there are other vehicles, you should yield to those already in the intersection or approaching from the right. This helps prevent accidents and ensures a smooth flow of traffic.
Yielding when merging: When merging onto a highway or another lane, you should yield to the vehicles already in that lane. This allows for a safe and efficient merging process.
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systolic blood pressure is the measure of pressure applied to the arterial walls when the heart group of answer choices pauses between contractions. contracts. relaxes. is at complete rest.
Answers
The systolic blood pressure is the measure of pressure applied to the arterial walls when the heart contracts. During this contraction, blood is pumped from the heart into the arteries, causing an increase in pressure against the walls of the arteries.
Systolic blood pressure is typically the top number in a blood pressure reading and is measured in millimeters of mercury (mmHg). It reflects the force of the blood against the arterial walls during the heart's contraction or systole.
Systolic blood pressure is an important indicator of cardiovascular health and is used to diagnose and manage conditions such as hypertension.
Knowing what it is and how it is measured is essential for maintaining good health.Blood pressure consists of two measurements: systolic and diastolic pressure. Systolic pressure occurs when the heart contracts, forcing blood through the arteries to deliver oxygen and nutrients to the body. This is the higher of the two numbers in a blood pressure reading and is important in determining overall cardiovascular health.
Understanding that systolic blood pressure measures the pressure in the arteries during the heart's contraction helps to monitor and maintain a healthy cardiovascular system.
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Based on the definition in the video, what
does "monomer" mean?
Answers
How could the notion of maximum parsimony lead to an error in establishing an
evolutionary relationship?
a) It focuses on the most divergent paths for evolution.
b) It focuses on counterintuitive and complex connections.
c) It focuses on simple and obvious connections.
d) It focuses on the most convergent paths for evolution.
Answers
Answer:
5 / 5 points
How could the notion of maximum parsimony lead to an error in establishing an evolutionary relationship?
It focuses on simple and obvious connections.
Explanation:
This concept instructs scientists to make the simplest and most obvious connections when tracing evolutionary relationships throughout history. If a counterintuitive or surprising evolutionary process occurred, maximum parsimony would exclude this.
Answer:
It focuses on simple and obvious connections
Explanation:
Just did the test and got it right. Hope this helps :)
5. Match the proper anatomical tem column B) with
the common name (column A) for the body re-
gions listed below.
Column A
Column B
1. buttocks
2. back
3. shoulder blade
4. front of elbow
5. toes
6. groin
7. forehead
8. lower back
9. sole of foot
a. inguinal
b. frontal
c. dorsal
d. lumbar
e. gluteal
f. antecubial
g. plantar
h. digital
i. scapular
Answers
The correctly matched proper anatomical term with common names are:
1. buttocks - e. gluteal2. back - c. dorsal3. shoulder blade - i. scapular4. front of elbow - f. antecubial5. toes - h. digital6. groin - a. inguinal7. forehead - b. frontal8. lower back - d. lumbar9. sole of foot - g. plantarAnatomical terms are used to describe specific body regions or parts. Matching the common names with the anatomical terms for the given body regions:
Buttocks - The anatomical term for buttocks is gluteal (e. gluteal).
Back - The anatomical term for back is dorsal (c. dorsal).
Shoulder Blade - The anatomical term for shoulder blade is scapular (i. scapular).
Front of Elbow - The anatomical term for the front of the elbow is antecubial (f. antecubial).
Toes - The anatomical term for toes is digital (h. digital).
Groin - The anatomical term for groin is inguinal (a. inguinal).
Forehead - The anatomical term for forehead is frontal (b. frontal).
Lower Back - The anatomical term for the lower back is lumbar (d. lumbar).
Sole of Foot - The anatomical term for the sole of the foot is plantar (g. plantar).
These anatomical terms are used in the medical field to precisely describe body regions and aid in effective communication among healthcare professionals.
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One theory of early life on Earth states that the first life forms did not use oxygen for respiration and were unable to make their own food. Based on this theory, which types of organisms were most likely present?.
Answers
Answer:
The deep-sea vent theory suggests that life may have begun at submarine hydrothermal vents spewing key hydrogen-rich molecules. Their rocky nooks could then have concentrated these molecules together and provided mineral catalysts for critical reactions
Explanation:
Which of the following characteristics of enzymes is NOT correct?
A)The substrate is the substance upon which the enzyme acts.
B)The induced-fit or lock and key model describes how enzymes work.
C)An enzyme is unchanged as a result of a reaction.
D)The efficiency of an enzyme is not affected by temperature.
Answers
The statement that represents an incorrect characteristic of enzymes is as follows;
The efficiency of an enzyme is not affected by temperature.Thus, the correct option for this question is D.
What are enzymes?Enzymes may be defined as the type of biocatalysts that significantly increase the rate of a chemical reaction without being changed in the overall process. It is thought that all cellular reactions and processes are mediated by enzymes.
Enzymes include a number of characteristics. Some of them are most of the enzymes are proteins. They are highly specific. They exhibit enormous catalytic power.
The substrate is the substance upon which the enzyme acts. The induced-fit or lock-and-key model describes how enzymes work. The temperature and pH directly affect the efficiency of an enzyme.
Therefore, the correct option for this question is D.
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what does the term bite-wing refer to? what size receptor is recommended for use with the bite-wing technique in the adult patinet
Answers
The term "bite-wing" refers to a type of X-ray imaging technique used in dentistry.
This technique involves positioning a dental X-ray receptor between the patient's upper and lower teeth.
The patient is then asked to bite down gently on the receptor to hold it in place, creating a “bite-wing” image of the teeth and surrounding structures.
The size of the receptor recommended for use with the bite-wing technique in adult patients is generally a size 0. The size 0 receptor is slightly larger than the size 1, but slightly smaller than the size 2. This size is used as it provides adequate coverage of the area while still allowing the patient to bite down on the receptor comfortably.
To achieve an optimal bite-wing X-ray, the patient should be instructed to keep the molars in occlusion and not move the jaw.
The technician should also ensure that the receptor is placed in the correct position and at the correct angle. The X-ray source should then be centered to the receptor, and an exposure should be taken from each side of the mouth. This will allow for the most comprehensive view of the area.
The bite-wing technique is a very useful imaging method that is used to diagnose and monitor a variety of oral health conditions.
It is particularly useful for assessing the presence of periodontal disease, caries, and various types of dental restorations. This technique is non-invasive, comfortable for the patient, and cost-effective, making it an ideal imaging method for use in the dental practice.
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Some of the drugs used to treat cancer block mitosis. Taxol is a drug commonly used in the treatment of breast and ovarian cancers. It works by disrupting the function of microtubules and spindle fibers. Cells treated with this drug have spindle fibers that are ‘stuck’ in place, unable to pull chromosomes apart.
(1.)Which phase of mitosis would you think that Taxol would affect the most?
(2.) Why do you think it affects that phase the most?
(3.) What are some possible problems that a person taking Taxol might have?
(4.) What would be happening to the normal cells trying to perform mitosis if a person is taking Taxol? (Hint: Remember that normal cells undergo mitosis too!)
Answers
Various cancers are treated with paclitaxel. It is a chemotherapeutic medication for cancer that reduces or halts the proliferation of cancer cells.
What is the reason to use taxol in cancer treatment?Its capacity to stabilize and stop microtubule depolymerization, which results in cell cycle arrest at the G2/M phase and cell death, is the main mechanism by which Taxol works.
May be more effective because proliferating tumor cells are exposed to cytotoxic medications for a longer period of time.
Paclitaxel is used to treat a number of malignancies. It is a cancer treatment drug known as a chemotherapy that slows or stops the growth of cancer cells.
Therefore, taxol is a drug commonly used in the treatment of breast and ovarian cancers.
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Which statement describes the genes within DNA?
Answers
What is the difference between class crustacean and class Arachnidan?
Answers
Answer:
The main difference between arachnids and crustaceans is the type of habitat they live for instance crustaceans live in an aquatic environments but archanids live on lands
See the file attached!!
i hope my handwriting is understandable...
How does DNA make a complex living organism
Answers
Evolution is one of the unifying themes of biology. Evolution involves change in the frequencies of alleles in a population. For a particular genetic locus in a population, the frequency of the recessive allele (a) is 0.4 and the frequency of the dominant allele (A) is 0.6. Evolution is one of the unifying themes of biology. Evolution involves change in the frequencies of alleles in a population. For a particular genetic locus in a population, the frequency of the recessive allele (a) is 0.4 and the frequency of the dominant allele (A) is 0.6.
Answers
The given information describes the allele frequencies of a genetic locus in a population with a dominant allele A and a recessive allele a. The frequency of allele a is 0.4, and the frequency of allele A is 0.6.
This information allows us to calculate the expected genotype frequencies using the Hardy-Weinberg equation. According to the equation, the frequencies of the three possible genotypes (AA, Aa, aa) can be calculated as follows:
AA = p^2 = (0.6)^2 = 0.36
Aa = 2pq = 2(0.6)(0.4) = 0.48
aa = q^2 = (0.4)^2 = 0.16
The Hardy-Weinberg equation is a fundamental principle in population genetics and provides a useful baseline for understanding how allele and genotype frequencies change over time in a population. If the observed genotype frequencies deviate significantly from those expected under Hardy-Weinberg equilibrium, it may suggest that some evolutionary force is acting on the population, such as natural selection, genetic drift, or gene flow.
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Food to glucose, that's______
Glucose to ATP, that's cellular respiration.
A. Digestion
B. Mitochondrion
C. Photosynthesis
Answers
Answer:
C. Photosynthesis
Explanation:
Food to glucose, that's Photosynthesis
Glucose to ATP, that's cellular respiration.
Answer:
C. Photosynthesis
Explanation:
What alternate form of genes do nucleic acids have that allows them to offer variability?A) alleleB) codonC) nucleotideD) chromosome
Answers
Most organisms have two copies of each gene, one from their mother and another from their father. These copies can be the same or different because there are different versions of each gene. Each version is called an allele, and it gives a different characteristic to the organism, making them variable.
This means A) allele, is the right answer.
16
seaweed floating on the ocean surface is
(1 Point)
a) planktonic
b) nektonic
c) benthic
Answers
plsssssssssssssss help
What happens to the length of the observer's shadow when there is sunsrise and sunset
Answers
Answer:
This was from my test review sheet and here is what it says: "The parent diameter of the sun sure is predictable changes in size."
So, i think it is unpredictable by the changes of the shadow because you didn't show a picture for any of the time of the day.
Hope this helps!
Have a great day/night and stay safe! :) :D
Question:
Hypothesis:
Independent variable:
Dependent variable:
Control group:
Experimental group:
Jacques noticed his tank mates were not as clean as they used to be. Peach told him that he should try using Clean-O soap, a new brand from Whale-Mart. Jacques cleaned one tank mate in plain water and another with water and Clean-O soap. After washing both tank mates a total of 3 times, the tank mate washed in Clean-O did not appear to be any cleaner than the the mate washed in plain water.
Answers
Answer: Question: Will Clean-O soap make a difference in the cleanliness of his tank mates?
Hypothesis: If Jacques cleans his tank mates with Clean-O soap, then they will be cleaner than if he only used water.
Independent variable: Clean-O soap
Dependent variable: Cleanliness of the tank mates
Control group: Tank mate only washed with water
Experimental group: Tank mate washed with Clean-O soap
During thunderstorm formation, a lot of energy builds up in cumulonimbus clouds because some processes that help form the cloud and that occur within the cloud give off energy.
What process helps build up energy in cumulonimbus clouds?
Answers
Answer:
With an updraft, downdraft, and rain, the cloud is now called a cumulonimbus cloud and the cycling of air up and down is called a thunderstorm cell. The moving air within the cloud builds up electric charges as it slides past other air.
Explanation:
^^'''
Answer: Water droplets freeze in the cumulonimbus clouds.
Explanation: I took the test on edge 2022.
if ta lizard body movement may becomes slow if the surrounding temprature falls
this could be a disadvantage of warm blooded animal or not
Answers
Not, the given statement is false as because the lizard is cold-blooded animal, which as a result of their inability to produce internal heat, lizards are poikilotherms.
Poikilotherms- Poikilotherms possess the physiological capacity to produce heat, hence in the absence of the any behavioral modifications, their body temperatures tend to match those of their surroundings. Animals that have "cold blood" are an example of poikilotherms. Animals that are poikilothermic include numerous invertebrate species as well as several vertebrate species, including certain fish, amphibians, and reptiles.
Species- A collection of creatures that can breed with each other in nature and have healthy offspring is referred to as a biological species.
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What TYPE of nucleic acid is found in the Ebolavirus?
Answers
Answer:
virion nucleic acid
The virion nucleic acid of Ebola virus consists of a single-stranded RNA with a molecular weight of approximately 4.0 x 10(6).
Explanation:
Can someone check my work?
Answers
Answer:
I think these are right but I am not 100% sure
Answer:
All wrong, but fix now
Explanation:
heredity is the passing of traits from parent to offspring
alleles are different forms of the same gene
genotype is genetic make up
phenotype is what an organism looks like
genes are instructions for a trait
genetics is the study of heredity
traits characteristics passed on to offspring
Select all the correct answers.
Which two statements are true about the effects of life on Earth's early oceans?
Early life increased the temperature of Earth's oceans.
Early life reduced the amount of dissolved carbon dioxide in the hydrosphere.
Early life increased the concentration of salt in Earth's oceans.
Early life helped make the oceans livable for oxygen-dependent species.
Answers
Answer:
Early life reduced the amount of dissolved carbon dioxide in the hydrosphere and Early life helped make the oceans livable for oxygen-dependent species.
1. Early life reduced the amount of dissolved carbon dioxide in the hydrosphere.
2. Early life helped make the oceans livable for oxygen-dependent species.