1. Ecology
Ecology is the study of how living things interact in an environment.

2. Ecosystem
An ecosystem consists of the living things and their environment

3. Biotic Factors
The living things in an ecosystem are called BIOTIC factors.
Examples of biotic factors are plants, birds, and animals.

4. Producers
A producer is an organism that captures energy and stores it in food as chemical energy. These are also called, autotrophs.

5. Consumers
A consumer is an organism that gets its energy by eating other living things in a food chain. These are also called, heterotrophs.

6. Feeds on plant and animal remains
Types of Consumers
Herbivores - Eat plants
Carnivores - Eat meat
Omnivores - Eat Both
Decomposers
Feeds on plant and animal remains

7. Decomposers
A decomposer is an organism that feeds on and breaks down dead plant and animal matter.

8. Abiotic Factors
The nonliving parts of an ecosystem are called ABIOTIC factors.
Examples of abiotic factors are light , temperature, water, atmosphere, and soil.

10. The Carbon Cycle

11. The Nitrogen Cycle