| A | B |
|---|
| environment | everything that surrounds a living thing |
| nonliving parts | sunlight, air, water, soil, climate |
| living parts | plants, animals |
| ecosystem | living and nonliving parts of an environment act together |
| habitats | place where a living thing makes its home |
| population | all living things of the same kind that live in the same place at the same time |
| ecosystems change | more plants - increase in animal population |
| ecosystem change | less plants - decrease or smaller population of animals |
| grassland invertebrate and vertebrate | grasshopper and bison |
| desert | hot during day; cold at night |
| tundra | no trees because roots can't grow in frozen land |
| tropical forest | gets more rain than any other ecosystem |
| freshwater ecosystems | lakes, rivers, streams, ponds |
