The mechanism that affected the gene pool of the immigrants that entered the United States through Ellis Island from 1892 to 1954 is B. gene flow. Gene flow is the transfer of genes or alleles from one population to another. The migration of millions of individuals from countries across the Atlantic Ocean to the United States is responsible for the changes in the gene pool of the immigrants.
Answer:
The answer is a bit complicated but no they are not.
Explanation:
Viruses are not made out of cells but they can evolve themselves and they carry genetic material and can even reproduce (different from human reproduction).
As stated by Khan Academy " Even though they definitely replicate and adapt to their environment, viruses are more like androids than real living organisms."
Answer:
The low magnification is only 10x while high is 40x.
So high magnification is 4 times more than low magnification.
Explanation:
Hope this helps it has been 2 years since biology.
The answer would be <span>d. the head and movements of the eyes
</span><span>
Sight or light would be caught by light receptors of the visual system. The sound will be sensed by the cochlea.
Somatosensory is made of a group of receptors that sense many things. One of them is proprioception, the condition of the body and its movement.</span>
Answer:
- Enzymes speed up the rate of a chemical reaction to help support life.
- But in Biochemical reactions , enzymes lower the activation energy of chemical reactions.
Note ;Activation energy is the energy needed to start a chemical reactio
Explanation:
Digestive enzymes which are secreted in the acidic environment which has a low pH of the stomach help break down proteins into smaller molecules. The main digestive enzyme in the stomach is pepsin.