Question

Which organ system is mostly responsible for generating behavior in multicellular animals?

Answer 1

If we’re talking about physical behavior it would be c. the nervous system, which sends signals to body parts to function.

idk about this but the endocrine system might affect the mental behavior of an organism? it controls hormones throughout the body, which can affect mood.

Answer 2

Answer: Nervous system.

Explanation: The nervous system of the body consists of the braina nd spinal chord, sensory organs.

It also consists of all the nerves that connects brain and spinal cord to various parts of the body. Together they control all the various functions of the body.

The generation of the behavior is controlled by the brain and spinal cord that comes nervous system.