It keeps them out side the body to maintain the correct temperature.
Https://www3.epa.gov/climatechange/kids/impacts/effects/ecosystems.html
this link might help you
Answer:
Yes.
Explanation:
Yes, all life on Earth depends on sunlight for obtaining energy and also shares a common ancestor of all organisms that lives on the land surface or in the oceans. Sun is the major source of energy through which plants produces food for itself and for other organisms. All the organisms have common ancestors which evolved with the passage of time when the change occurs in the environment and is responsible for the diversity of organisms.
