When a nerve impulse reaches the end of an axon, the axon releases chemicals called neurotransmitters. This would make the answer be.... A. a chemical signal is released
Answer:
C. Heterotrophs
Explanation:
Heterotrophs cant make their own food. They cant make there own food so they eat animals and plats and all sorts of different things. Because of this heterotrophs are known as consumers. Anything that consumes/eats things are consumers.
I looked it up and this is the most I could get hope this helps
Answer:
Cephalization does not confer an advantage to free-floating or sea organisms. Many aquatic species display radial symmetry like the jelly fish for instance.
Aquatic animals are not cephalized because they must be able to find food, take caution and defend themselves from harm from all directions.
The Answer Is Deep Sea TRENCHES