Taxonomy is a branch of biology that deals with the classification of animals and plant species. Classification is important because it puts the species in groups due to their similarities, which creates animal families. Some of the biggest classes include mammals, birds, fish, reptiles, amphibians. Taxonomy helps scientists break animals into groups even more specific than these more broad terms. Hope this helps you!
The answer is A. Competition
is the contest for limited resources by
two populations of between individuals of
a population. Some populations adopt resource partitioning to reduce the stiff competition and mitigate the
disadvantages interaction leading to
coexistence of competing populations.
The question is somewhat confusing. I would choose "none of the above" because none of the choices are blood vessels. However, the heart is the pump that moves blood through the network of blood vessels that distribute and collect materials throughout the body.
