| A | B |
|---|
| greenhouse effect | the trapping of heat by the air around the earth |
| decomposer | a consumer that puts materials from dead plants and animals back into soil, air, and water |
| foodchain | the path that energy and nutrients take in a community |
| recycling | changing something so that it can be reused |
| species | a group of organisms that have the same traits and can produce offspring |
| extinct | something that is no longer found living on earth |
| oxygen | a gas that is given off by plants and used by animals |
| producer | a living thing that can use sunlight to make sugar |
| rain forest | a very dense forest in a region usually tropicial, where rain is very heavy throughout the year |
| ecosystem | a community and its nonliving environment |
| carbon dioxide | a gas in the air that is taken in by plants, and given off when fuel is burned |
| conservation | protecting from loss or from being used up |
| pollination | the movement of pollen from a stamen to a pistil |
| nutrient | a material that plants and animals need to live and grow |
| consumer | a living thing that depends on producers for food |
| canopy | the tops of trees in a rain forest |
| emergent level | middle level in the rain forest |
| understory | gound level of a rain forest |
| carnivore | feeds on and eats other animals |
| hebivore | animal that eats plants |
