When it helps the organism in question survive
Answer:
True
Explanation:
It can happen but it unlikely in most cases because of the less efficient way. It is more efficient to take it in through the ground
Answer: Sensory neurons are neurons responsible for converting external stimuli from the environment into corresponding internal stimuli. Motor neurons are neurons located in the central nervous system (CNS); they project their axons outside of the CNS to directly or indirectly control muscles
The answer is B becaus e there is no membrane bound organelles.