explain why camouflage and mimicry can increase an organism’s fitness
Camouflage: Structural adaptation that enables an individual to blend with its surroundings, and that allows an individual to avoid detection by predators. … Camouflage and mimicry are both adaptations because they increase the likelihood of an individual evading predation long enough to reproduce.
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electrons move from the wool to the
Answer: balloons surface
Explanation:
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Based on early observations, including those in the
table below, scientists proposed that the continents
were once together but had drifted apart. However,
scientists could not identify anything that would make
them move. New technology, such as a worldwide
network of earthquake detectors, led to new
observations. Then scientists proposed that Earth's
surface was divided into tectonic plates that would
move as a result of forces linked to earthquakes and
the formation of new ocean floor.
Early Observations
Coastlines of Africa and South
America seem to fit together.
Similar fossils have been found in
both continents.
New Observations
Most earthquakes and volcanoes
occur along certain lines.
A mountainous ridge down the
center of the Atlantic Ocean
formed new ocean floor.
How are continental drift and plate tectonics related?
O Continental drift was the hypothesis that led to the
theory of plate tectonics.
O Continental drift was the theory that became the law
of plate tectonics.
O The theory of continental drift was modified based
on the new observations to become the theory of
plate tectonics.
O The theory of continental drift was proven false, and
the law of plate tectonics took its place.
the ____system will dilate the pupil when the retina is not receiving enough light, and the_____system will constrict the pupil when too much light hits the retina.
The sympathetic system will dilate the pupil when the retina is not receiving enough light, and the parasympathetic system will constrict the pupil when too much light hits the retina.
When light strikes the retina, a signal travels through the optic nerve, resulting in the pupillary light response. Because the sensory branch of this reflex is merely sharing the specific sense channel, this is a visual experience. Bright light hitting the retina causes the parasympathetic reaction via the oculomotor nerve, which is then stimulated by the postganglionic fibre from the ciliary ganglion, which contracts and constricts the pupil.
When light strikes the retina in one of the eyes, both pupils constrict. When the light is turned off, both pupils dilate back to their resting state. The reaction is bilateral when the stimulus is unilateral (given to just one eye or both eyes).
The same cannot be said for somatic reflexes. When you touch a hot radiator, you just draw back one arm, not both. Autonomic reflexes are controlled differently than somatic reflexes by the central nervous system. The autonomic system is controlled by the hypothalamus and other CNS sites.
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If the 46 chromosomes are duplicated during interphase, why are there
still 46 chromosomes and not 92?
Before I talk about why there are still 46 chromosomes, I'll just review the basic chromosome structure. Each chromosome has a chromatid, with one centromere in the middle.
Chromosomes aren't counted by how many chromatids there are, but rather how many centromeres. When DNA duplicates, the chromatids replicate themselves, so each chromosome ends up having two sister chromatids joined at the same centromere.
There is the same number of centromeres in the cell, so there are still technically 46 chromosomes. However, there are 92 chromatids.
This used to be confusing for me too :) hope it helps!
5.how would you respond to someone who tells you we should not worry about air pollution because natural selection will enable humans to develop lungs that can detoxify pollutants?
To respond to someone who tells me we should not worry about air pollution because natural selection will enable humans to develop lungs that can detoxify pollutants by saying that nаturаl selection hаppens over а long time and if а species cаnnot аdаpt to chаnge the environment, it extinct.
Nаturаl selection is the process through which populаtions of living orgаnisms аdаpt аnd chаnge. Individuаls in а populаtion аre nаturаlly vаriаble, meаning thаt they аre аll different in some wаys. This vаriаtion meаns thаt some individuаls hаve trаits better suited to the environment thаn others.
If someone tells to not worry about air pollution because natural selection will enable humans to develop lungs that can detoxify pollutants, I would respond with thаt even though we mаy be аble to develop lungs thаt cаn detoxify pollutаnts but it would tаke а very long time for thаt evolution to occur аnd becаuse of thаt mаny people аre going to die since they weren't аble to evolve in time.
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How is biodiversity important to the biosphere?
O A. Biodiversity increases nutrient recycling.
O B. Biodiversity increases erosion rates.
O C. Biodiversity decreases ecosystem stability.
D. Biodiversity decreases biological productivity.
Answer:
C.
Explanation:
Biodiversity decreases ecosystem stability.
as the hare population increases there is in increase in the lynx population explain why this occurs
Answer: The lynx population increases as the hare population increases because there are more prey for the lynx to eat. The Lynx population also increases because there is more food for them to eat. What does the increase in the lynx population lead to? It leads to a decrease in the hare population because the lynxes were eating the hares. What happens to the lynx population when the hare population goes up? Continued predation due to high populations of lynx and other predators increases the hare population decline. ... As hare numbers start to decline, lynx continue to eat well because they can easily catch the starving hares. When hares become scarce, lynx numbers also decline.
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The changes in the population of one species can have a significant impact on the population of another species within the same ecosystem. Therefore, when hare population increases, there is in increase in the lynx population as well.
What is predator-prey cycle?A predator-prey cycle is a cycle where if the prey population increases in size, it leads to an increase in predator population size due to availability of more food.
The relationship between the hare and lynx populations is a predator-prey dynamics. When the hare population increases in size, the lynx population also increases due to availability of more food.
When there are more number of hares, the lynx hunts them more easily which causes an increase in lynx population. However, the increase in lynx population leads to more consumption of hares, that leads to decrease in the hare population. With fewer hares available, the lynx population then starts to decline leading to a cyclical pattern of population growth and decline.
Therefore, this type of relationship is a predator-prey cycle which describes changes in the population of one species can have a significant impact on the population of another species within the same ecosystem.
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In an ecosystem with four levels—producers, primary consumers, and two higher-level consumers—describe where the decomposers operate within the context of these trophic levels. Provide at least two examples.
Decomposers break down dead organic matter into simpler inorganic compounds for uptake by plants and other organisms.
Thus, in an ecosystem consisting of producers, primary consumers, two higher-level consumers, decomposers operate at the lowest trophic level, along with plants where they break down dead organic matter to produce nutrients.
In a forest ecosystem, decomposers like fungi break down dead plant material and return nutrients like carbon, phosphorus, etc. back to the soil allowing producers like plants to take up these nutrients for growth. Decomposers like earthworms also break down dead plant material that contributes to the nutrient cycling, thereby, supporting the growth of grasses, herbivores, etc.
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Please select the word from the list that best fits the definition
when an intermediate form is expressed in offspring
In incomplete dominance, neither of the alleles dominates over the other one. The result is a third intemediate phenotype expressed by the heterozygous individuals. Ans. Incomplete dominance.
What is incomplete dominance?Incomplete dominance is an inheritance pattern in which the involved alleles are not dominant or recessive. In these cases, neither of the alleles completely dominates over the other one.
A third phenotype is expressed. Heterozygous descendents possess an intermediate phenotype between the parental phenotypes. The progeny is different from both homozygous parentals and expresses as a mixture of both of the homozygous progenitors.
The selected words must be incomplete dominance ⇒ when an intermediate form is expressed in offspring.
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what will happen to the freshwater fish if you place it in sea water?
Due to the difference in salinity and osmotic pressure, freshwater fish will probably perish if placed in sea water. Large African lakes are home to the bulk of species.
A freshwater fish may face a variety of physiological and osmotic stresses in saltwater or seawater that might be detrimental or even lethal. Freshwater fish have evolved to be able to retain a higher concentration of salts and other solutes in their bodies than the water around them, allowing them to survive in habitats with lower salt concentrations than saltwater. In seawater, the fish may lose water and take in too much salt, which can cause electrolyte imbalances, dehydration, and other problems that may finally result in death. As a result, it's crucial to make sure fish are exclusively kept in settings that mimic their natural habitat.
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select which of these might be a positive effect of the increase in carbon dioxide levels?
Answer: Plants need it to grown so more plants if we didn't destroy their habitats
In the beginning of an experiment, there are 10 bacteria. Suppose the rate of growth is proportional to the number of bacteria. After one hour, the number of bacteria increase to 20. Suppose P(t) is the number of bacteria present at time t. Try to find P(t).
In this experiment, the rate of bacterial growth is proportional to the number of bacteria present. We can use this information to find an equation that describes the number of bacteria at any given time.
Let's start by assigning variables. Let P(t) represent the number of bacteria at time t. We know that at the beginning of the experiment, there are 10 bacteria, so we can write this as P(0) = 10.
We are given that after one hour, the number of into 20. This means that after one hour, P(1) = 20.
Since the rate of growth is proportional to the number of bacteria, we can write this relationship as a differential equation: dP/dt = kP, where k is the proportionality constant.
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1. how might the environment influence the way in which a certain species evolves?
2. Define biological evolution
3. what is special about galapagos island?
4. name an example of how animals were adapted for their specific environments on the Galapagos Island.
The environment can influence the way in which a certain species evolves in many ways:
By environmental factors such as climate, food availability, predators, and competition for resources.Biological evolution refers to the process of change over time in the characteristics of populations of organisms. The Galapagos Islands are a group of volcanic islands located off the coast of Ecuador in South America. An example of an animal that is adapted for its specific environment on the Galapagos Islands is the marine iguana.How does biological evolution occur in an environment?Environmental factors such as climate, food availability, predators, and competition for resources can all play a role in shaping the evolution of a species. Organisms that are better adapted to their environment are more likely to survive and reproduce, passing on their advantageous traits to their offspring, while those less suited to their environment may not survive and reproduce as successfully.
Change occurs through the mechanisms of natural selection, genetic drift, mutation, and gene flow. Evolution can result in the development of new species, the extinction of others, and the adaptation of organisms to new or changing environments.
Galapagos island are famous for their unique wildlife, which includes many species found nowhere else on Earth. The islands are also significant because they were studied by Charles Darwin during his voyage on the HMS Beagle, and they played a crucial role in the development of his theory of evolution by natural selection.
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The hypothalamus affects which functions in the body?
Your blood pressure, sleep, mood, sex desire, appetite, and thirst are all controlled by the hypothalamus. A region of the brain called the hypothalamus generates hormones that regulate body temperature. cardiovascular system
The pituitary gland, thyroid, adrenal, kidney, musculoskeletal, and reproductive systems are all ultimately impacted by the hypothalamus's functions.The strongest endocrine organ, it regulates body temperature, hunger, thirst, sleep, stress response, aggression, and sexual behaviour. Hypothalamus is the right response. The anterior pituitary's hormone secretion is regulated by it. The forebrain is where it is situated. Muscular movement coordination does not include the hypothalamus in the brain.
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Particulates that can irritate your respiratory system or lungs are one form of A. smog. B. oxygen. C. pollution. D. ozone.
A crucial step in the regulation of most bacterial genes occursGroup of answer choicesa) when nonsense suppressors translate mRNAs.b) during RNA splicing.c) at transcription initiation.d) during nuclear export of mRNA.
The correct answer to the question is option C: at transcription initiation. Transcription initiation is a crucial step in the regulation of most bacterial genes because it determines whether or not a particular gene will be expressed.
During transcription initiation, RNA polymerase binds to the promoter region of a gene, which is typically located upstream of the coding sequence. The binding of RNA polymerase to the promoter is regulated by various transcription factors and other regulatory proteins, which can either enhance or inhibit transcription.
This regulation of transcription initiation is critical for the proper expression of bacterial genes in response to environmental signals, metabolic conditions, and other cues. By controlling the rate of transcription initiation, bacteria can adapt to changing conditions and optimize their gene expression patterns for survival and growth.
In summary, transcription initiation is a crucial step in the regulation of most bacterial genes, and it is the point at which most regulatory signals are integrated to control gene expression.
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The crucial step in the regulation of most bacterial genes occurs during transcription initiation. This is when the RNA polymerase enzyme binds to the promoter region of the gene and begins the process of transcribing the DNA sequence into RNA.
At this stage, the regulatory proteins or transcription factors can bind to the promoter and influence the rate of transcription. These regulatory factors can either enhance or inhibit the transcription of the gene, depending on the cellular needs. This regulation ensures that only the required genes are expressed, and the unnecessary ones are repressed. The other options, such as nonsense suppressors, RNA splicing, and nuclear export of mRNA, are involved in different stages of gene expression in eukaryotic cells and not bacteria.
A crucial step in the regulation of most bacterial genes occurs at transcription initiation. In this stage, the binding of RNA polymerase to the promoter region initiates the synthesis of mRNA from a DNA template. Regulatory proteins, such as activators and repressors, can influence the efficiency of this process, controlling gene expression in response to environmental signals or cellular needs. This regulation is essential for bacteria to adapt and survive in various conditions, ensuring proper functioning of cellular processes.
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What nerve stimulates the masseter and temporalis muscles to elevate the mandible during mastication and swallowing?.
The trigeminal nerve stimulates the masseter and temporalis muscles to elevate the mandible during mastication and swallowing.
Trigeminal nerve is the part of the nervous system. Its function is to send the pain, touch and temperature sensations from your face to your brain. It belongs to the class of cranial nerve and it is the fifth cranial nerve. There are three branches of the trigeminal nerve: ophthalmic, mandibular, and maxillary divisions.
Mandible is the largest bone that belongs to the human skull. Its function is to hold the lower teeth in place along with mastication and swallowing. It is also called the lower jaw bone.
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Germs that cause diseases?
Answer:
There are two main types of germs which can cause disease in humans and animals. These are bacteria and viruses. Bacteria are larger than viruses.
Explanation:
17 Refer to the illustration above. Structure 4 is
a. the cell membrane.
c. mitochondrion.
b. a Golgi apparatus,
d. the nucleus.
Quickly please
Answer:
the answer to the illustration above is see mitochondrian
Answer:
b.) the nucleus
Explanation:
The most conspicuous effects of GH-IGF1 are on __________.A. cartilageB. boneC. muscle
The most conspicuous effects of GH-IGF1 are on bone. Growth hormone (GH) and insulin-like growth factor 1 (IGF-1) play essential roles in bone growth and development. The correct option is B. bone.
GH stimulates the production of IGF-1 in the liver, which then acts on bone cells called osteoblasts to promote bone formation and mineralization.
This process is crucial for longitudinal bone growth during childhood and adolescence. GH-IGF-1 axis stimulates the proliferation and differentiation of osteoblasts, leading to increased bone mass and length.
Deficiencies or dysregulation of GH or IGF-1 can result in growth disorders, such as dwarfism or gigantism. While GH and IGF-1 also have effects on cartilage and muscle, their most pronounced effects are on bone growth and remodeling.
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How can we explain the fact that millions of kids watch violent TV shows and remain nonviolent? If there is a TV–violence link, how can we explain the fact that violence rates may have been higher in the Old West than they are today? Do you think kids in violent gangs stay home and watch TV shows?
Kids are most vulnerable to the examples they receive from their immediate caretakers (example, parents, tutors, etc.) Their immediate environment plays a more deterministic role in their behaviour than their hobbies. For example, if a kid is raised in a lovely and supporting family he/she could engage in violent videogames for fun, and not for rehearsal issues (thinking he/she is actually killing). So the early history (wether he suffer any kind of physical/psychological abuse) and the kind of family (wether they are supportive or punitive) plays a critical role in supporting previolent behaviours that videogames or other stuff migth help to develop later on.
Place the events in the transcription of a gene in their proper order from left (first event) to right (last event).Rank from first event to last event.
The Rank from first event to last event is
RNA polymerase binds to promoter---> RNA polymerase transcribes the gene---> RNA polymerase reaches terminator---> RNA polymerase exits the gene, RNA is released.
RNA polymerase (RNAP), or ribonucleic acid polymerase, is a multisubunit enzyme that catalyzes the transcription process, during which an RNA polymer is synthesized from a DNA template.
The RNA polymerase sequence is complementary to the DNA template sequence and is synthesized in a 5'→3' orientation. This strand of RNA is called the primary transcript and must be processed before it can function in the cell.
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what can be deduced from a ramachandran plot?
A Ramachandran plot is a graph that displays the allowed regions of protein backbone torsion angles, phi and psi, for a protein molecule. From a Ramachandran plot, we can deduce the conformation of amino acids in a protein, which is important for understanding the folding and stability of the protein.
The phi and psi angles for each amino acid residue in a protein determine its secondary structure, such as alpha helices or beta sheets. In a Ramachandran plot, each point represents a single amino acid residue and is colored according to its secondary structure. The plot shows which phi and psi angles are allowed for each secondary structure, and where the majority of residues in a protein fall on the plot.
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Select the definition of this word: GLUCOSE
Answer:
Glucose - a simple sugar which is an important energy source in living organisms and is a component of many carbohydrates.
Answer:
Glucose is a sugar produced by plants. It is usually made in the process of photosythesis. This glucose is what plants eat and use to live with.
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what is the role of na /k pumps in maintaining a resting membrane potential? what na /k pumps ' absence would cause? explain your answer.
For every 2 potassium ions, the na/k pump continuously transfers into the cell, it transfers 3 sodium ions out. As a result, it maintains a large gradient of potassium ions across the membrane. This gradient is the foundation of resting membrane potential.
In the absence of the Na⁺K⁺ ATPase pump, the environment will become hypotonic causing the cell to shrivel. Osmotic balance and membrane potential are maintained in cells by the Na⁺K⁺ ATPase pump. The concentration gradients of sodium and potassium are maintained by the Na⁺ K⁺ ATPase pump, which increases the extracellular concentration of sodium and decreases the intracellular concentration of potassium.
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Look at the four devices below.
flashlight
lawn mower
solar calculator
desk lamp
Which device uses light as it's source on energy? ty if youhelp
PPLZZZZ HELPP!!!
Thank you if you can
Answer:
i believe that the answer is A
Explanation:
Answer:
Answer is A)
Explanation:
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Karyotypes can be studied to determine an organism’s chromosomal makeup and to detect genetic defects. Patau syndrome occurs when an individual has an extra copy of chromosome 13, giving them three copies. Symptoms of Patau syndrome include extra digits, seizures, and cleft palate. Which word would geneticists use to describe the cause of Patau syndrome?
diploidy
homologous
heterozygous
trisomy
Answer:
Trisomy "can be used to describe as a genetic disorder that is caused my an extra copy of chromosome number 13"
Answer:
Trisomy
Explanation:
A school consists of what kingdom?
A. Animal
B. Plant
C. Eubacteria
D. Protista
Answer:
HEY THATS A GOOD QUESTION I THINK THE ANSWER IS B IF NOT LET ME KNOW
HAVE ABLESSED DAY