| A | B |
|---|
| forest | an area where the main plants are trees |
| population | All the living things of the same kind that live in the same area at the same time |
| community | Populations that live in the same place |
| desert | An ecosystem that is very dry |
| ecosystem | The interactions between the living and nonliving parts of the environment make up this |
| habitat | To a population of frogs living near a pond, the pond is |
| fresh water | Rivers and most lakes are ________ ecosystems |
| deciduous forest | Has warm summers and cool winters and the leaves drop off trees in the fall |
| tropical rain forest/coastal forest | two types of forest that get a lot of rain are |
| environment | Everything that surrounds a living thing |
| coniferous forest | Winters are cold here and the trees have needle-shaped leaves. |
| salt water | The water in an ocean is |
| grassland | This has hot summers and cold winters |
| what might happen to a forest that is damaged by fire | It is destroyed forever |
| dry | Grasslands have few large trees because they are too |
| Two types of deserts | hot and cold |
| Three types of water ecosystems are | rivers, lakes, oceans |
| decidious | trees have flat leaves that fall off each fall |
| coniferous | trees are evergreen; cold winters cool summers |
| tropical rain | hot and wet; form three layers |
| coastal | wet climate; thick trees keep floor dark and cool |
