| 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 | 10 regional or global ecosystems that have the same climate |
| detritivore | eats dead organic matter |
| decomposer | returns organic material back to the environment |
| biodiversity | the variety of living things in an ecosystem |
| carbon cycle | shows how carbon moves from the air to |
| autotroph | another name for producer |
| biotic | living things in an ecosystem |
| abiotic | nonliving things in an ecosystem |
| heterotroph | another name for consumer |
| ecology | the study of interactions among living things & their surroundings |
| temperate grassland | has no large trees, warm summers, cold winters |
| tropical rainforest and dry forest | very similar biomes except when rain falls |
| nitrogen cycle | nitrogen in air cannot be used as is, must use denitrifying bacteria to fix it |
