Ecosystems

1. the place in an ecosystem where a plant or animal naturally lives and grows
5. any of the plants and algae that produce oxygen and food that animals need
6. the path of the energy in food from one organism to another
8. a nonliving part of an ecosystem
10. an animal that eats plants or eats other plant-eating animals
11. a biome where grasses, not trees, are the main plant life
13. a living thing that is hunted for food
14. diagram that shows the flow of energy through a food chain
15. all the living and nonliving things in an environment, including their interactions with each other
16. a large, treeless plain in the arctic regions, where the ground is frozen all year
18. a hot biome near the equator, with a lot of rainfall and a wide variety of life
19. places where a river flows into the ocean; fresh water mixes with salt water

2. an organism that lives in or on the ground
3. a forest biome with many kinds of trees that lose their leaves each autumn
4. an organism that lives in or on water
6. the overlapping food chains in an ecosystem
7. the fungi or bacteria that break down dead plants and animals into useful things like minerals and rich soil
9. a cool forest biome of conifers in the upper Northern Hemisphere
12. a sandy or rocky biome, with little precipitation and little plant life
13. an animal that hunts other animals for food
17. a living part of an ecosystem