Needs & Characteristics of Living Things

Match it! Select the correct answer from the pull down...Good luck!

Main energy source for most organisms is

Which of the following is NOT made of cells?

The highest level of cell organization. These carry out all the life processes.

A change in an organism's environment that causes a reaction is called a(n)

Characteristic or trait that allows an organism to survive and reproduce in its enviroment

Animals that maintain a stable body temperature (warm blooded).

An organism's ability to maintain stable internal conditions is called

A balance must exist between an organism's energy producing processes and its energy using processes.