“how do humans impact ecosystems? ” i need examples and/or facts due tuesday october 9!

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.

Asap what occurs after cytokinesis is completed at the end of meiosis 1?

What was the land like over 500 million years ago? what was under the sea?