The answer is d. :) you got this!
Answer:
The correct answer will be option-A
Explanation:
The ecological population is the group of the organism belonging to the same species which live or is found in the particular area and can interbreed.
Since in the given question, the redwood trees live in the same geographical area (forest) which can interbreed shows the population. The other examples represent the community which consists of more than one species.
Thus, option-A is the correct answer.
Answer:
Somatic hypermutation is a process in which point mutations build up in the antibody V-regions of both the heavy and light chains.
This process occurs at rates that are about 106-fold higher than the background mutation rates observed in other genes.
It allows B cells to mutate the genes that they use to produce antibodies. This then ensures the B cells to produce antibodies that are better able to bind to bacteria, viruses and other infections.
The question is asking to choose among the following choices that states the properties of water would be most important in protecting a fish in a shallow pond on a hot summer day, and the answer would be letter C. the specific heat of water