Id say D, that responses may include the spinal cord but not the brain.
Answer:
The populations are isolated and thus do not interbreed.
Explanation:
Multiple species aka animals, humans, plants and all the species interactions :)
Organelle,The primary role of the flagellum is locomotion but it also often has function as a sensory organelle, being sensitive to chemicals and temperatures outside the cell. Flagella are organelles defined by function rather than structure.
