Chapter 2 Vocabulary

4. The study of where organisms live
6. Soil that is frozen all year
8. A group of land ecosystems with similar climates and organisms
9. An organism that can make its own food
13. A layer of shorter plants that grow in the shade of a forest canopy
15. Tree A tree that sheds its leaves and grows new ones each year
17. A series of events in which one organism eats another and obtains energy
19. A carnivore that feeds on the bodies of dead organisms
20. A consumer that eats both plants and animals

1. Pyramid A diagram that shows the amount of energy that moves from one feeding level to another in a food web
2. Drift The very slow motions of the continents
3. An organism that breaks down wastes and dead organisms
5. Tree A tree that produces its seeds in cones and that has needle-shaped leaves
7. The pattern of overlapping food chains in an ecosystem
10. A consumer that eats only animals
11. Species Species that are carried to a new location by people
12. An extremely cold, dry biome
14. The movement of organisms from one place to another
16. A leafy roof formed by tall trees in a forest
18. A consumer that only eats plants