Ecosystem

2. web, A model that shows how energy moves through an ecosystem.
5. An organism that makes its own food using sunlight.
8. cold biome with permafrost and very short growing seasons.
9. When living things depend on one another to survive.
10. An organism that eats other organisms.
11. rainforest, A dense, warm, wet biome with the greatest biodiversity on Earth.
12. A large region with similar climate, plants, and animals.
13. A cold forest biome with evergreen trees; also called the boreal forest.

1. lots of grasses with few trees.
3. An organism that breaks down dead plants and animals.
4. A hot biome with very little rainfall and extreme temperatures.
6. forest, A biome with four seasons, moderate rainfall, and many deciduous trees.
7. tropical, warm temperatures and seasonal rainfall, large grazing animals.
10. The average weather conditions of a place.