1.
response to change in the environment
2.
a behavior or trait that helps an organism survive
3.
The energy available in each level of an ecosystem
4.
The chemical reactions in the body
5.
Obtaining nutrients from food
6.
Organisms that can reproduce and create fertile offspring
7.
Items necessary to fuel an organism
8.
8 processes that are necessary for an organism to survive
10.
A physical characteristic
11.
An organism's genetic information
12.
Organisms that are eaten
13.
Organisms that create food
