<span>Midbrain also called the mesencephalon</span>
A red blood cell's function is to transport oxygen.
A food chain follows one path of energy and materials between species. A food web is more complex and is a whole system of connected food chains. In a food web, organisms are placed into different trophic levels. ... Producers are the basic trophic level while top predators are the peak level.
Answer:
B. All of its cells must work together
