1.
Any living thing, such as a plant, animal or fungus
2.
All the living and nonliving things surrounding an organism
3.
The natural place where an organism lives
4.
A place where living things interact with one another and their nonliving surroundings
5.
All the organisms of the same species living in one area
6.
All the different populations living and interacting in one area
7.
An organism, such as a plant, that makes its own food
8.
An organism that gets energy by eating plants or other animals
9.
An organism that breaks down dead organisms and waste, returning nutrients to the environment
10.
A series showing how energy passes from one organism to another
11.
A group of connected food chains in an ecosystem
12.
An animal that hunts other animals for food
13.
An animal that is hunted and eaten by another animal
14.
A feature or behavior that helps an organism survive in its environment
15.
When organisms try to get the same limited resources, such as food, water, or space