| A | B |
|---|
| ecology | the scientific studey of how living things interact with each other and their environment |
| ecosystem | all the living things and non living things that interact in an environment |
| biotic factor | the living things in an ecosystem |
| abiotic factors | the nonliving things in an environment |
| producer | an organism that captures energy from the environment and stores it as energy in food |
| consumer | a living thing that gets its energy by eating other living things in a food chain |
| decomposer | a living thing that gets into energy by breaking down the remains of livint things that have died |
| food web | a model used to show a feeding relationship in which many food chanins overlap in an ecosystem |
| energy pyramid | a model used to show the amount of energy available to living things in an ecosystem |
| biome | a region of Earth that has a particular climate and certain types of plants |
| coniferous | a term used to describe cone-bearing trees and shrubs that keep their leaves all year |
| deciduous | a term used to describe trees and shrubs that from their leaves when winter comes |
| estuary | the lower end of a river where it meets the ovea and fresh and salt waters mix |
