Name that tissue. what is this tissue?

How are the tortoises that darwin observed on the galápagos islands similar to the anoles that losos studied

Anybody who knows ap biology, can you friend or message me

An organ system consists of a group of organs that performs specific functions necessary for the survival of an organism. humans have eleven different organ systems: integumentary, skeletal, muscular, nervous, endocrine, circulatory, lymphatic, respiratory, digestive, urinary, and reproductive. discuss the function of neurons, the brain and the spinal cord within the human nervous system while explaining the interrelationship of each organ.