| A | B |
| abiotic factor | A nonliving part of an ecosystem |
| tropical rain forest | Dense forest growing in regions of heavy yearly rainfall. |
| carnnivore | Consumer that eats only animals. |
| coniferous trees | Trees that produce their seeds in cones and have long, narrow leaves with a wax-like covering. |
| desert | An area that receives less than 10 inches of rain per year. |
| biodiversity | The number of different species in an area. |
| grassland | An area populated by grasses that gets 10 to 30 inches of rain per year. |
| climate | The typical weather pattern in an area over a long period of time. |
| herbivore | Consumer that eats only plants. |
| fauna | animals |
| deciduous trees | Trees that shed their leaves and grow new ones each year. |
| savanna | A grassland close to the equator. |
| biome | A large area with similar climates and populated by characteristic plant and animal life. |
| omnivore | A consumer that eats both plants and animals. |
| aboreal | Living in trees |
| tundra | An extremely cold, dry biome. |
| biotic factor | A living part of an ecosystem. |
| temperate rain forest | Woodland of a usually rather mild climate that is distinguished by a dominant tree. |
| flora | plants |