Ecology is the study of how living things interact with each other<span> and with </span>their environment<span>. Scientists who </span>study<span> how </span>living things interact with each other<span> and the </span>environment<span> are called ecologists.</span>
Answer:
Because different cells are needed for various things. One single cell cannot do everything by itself.
Explanation:
Answer:
Es un sistema biológico construido por una comunidad de organismos vivos
B. is the answer because the nervous system send nerves down your body telling your hand to move its a reaction to the pain of the hotness your felling
D I believe, in the picture that is attached explains