| A | B |
|---|
| Ecology | Study of the interactions in an ecosystem |
| Ecosystem | System made up of organisms interacting with each other and with the nonliving parts of that system |
| Biosphere | Part of the Earth where organisms live; crust, water, air |
| Biotic Factors | All the living thing in an ecosystem |
| Abiotic Factors | Nonliving things in an ecosystem |
| Population | Group of the same type of organism living in the same place at the same time |
| Community | All the populations living in an area |
| Biome | One of Earth’s large ecosystems, with its climate, soil, plants, and animals. |
| Habitat | Place where an organism lives out its life |
| Producer | organism that makes its own food |
| Consumer | Organism that eats other organisms |
| Decomposer | Eats dead organisms or waste of organism |
| Scavenger | Animals that feeds on dead or decaying animals that it did not kill. |
| Carnivore | Animals that eats the flesh of other animals |
| Herbivore | Animals that feeds on plants |
| Omnivore | Animals that eats both plants and animals |
| Food chain | a producer and a series of consumers through which energy is transferred |
| Food web | summary of known food chains in a community |
| Species | Plants or animals with clearly defined characteristics that can interbreed and produce fertile offspring |
| Energy pyramid | a triangle showing there are fewer organisms as you more up a food chain. |
