| A | B |
|---|
| herbivore | eats only plants |
| carnivore | eats only animals |
| omnivore | eats both plants & animals |
| consumer | eats other organisms |
| producer | makes its own energy |
| food web | includes complex feeding relationships |
| food chain | includes 1 simple feeding relationship |
| population | same species in 1 area |
| community | the various species in 1 area |
| ecosystem | all living and nonliving things in 1 area |
| biome | regional or global ecosystems |
| decomposer | eats dead organic matter |
| decomposer | returns organic material back to the environment |
| biodiversity | the variety of living things in an ecosystem |
| autotroph | make their own food and store the sun's energy |
| heterotroph | get food by consuming other organisms |
| biotic | living things in an ecosystem |
| abiotic | nonliving things in an ecosystem |
| carrying capacity | number of individuals of a species the environment can support |
| ecology | the study of interactions among living things & their surroundings |
| limiting factors | factors in the environment that limit the size of the population |
| biosphere | the biologically inhabited portions of the planet |
