| A | B |
|---|
| omnivore | eats both plants and animals |
| herbivore | eats only plants |
| carnivore | eats only animals |
| food web | many overlapping food chains |
| energy pyramid | shows the energy transfer from one feeding level to another |
| condensation | gas changing to liquid |
| evaporation | liquid changing to gas |
| precipitation | rain, snow, sleet, hail |
| photosynthesis | producers use carbon from carbon dioxide to make carbon containing molecules |
| nodules | bumps on the roots of plants where nitrongen-fixing bacteria live |
| scavengers | carnivores that eat the dead bodies of animals |
| producers | use sunlight to make food |
| carbon dioxide | gas produces as a product of respiration by animals |
| oxygen | gas produced as a product of photosynthesis |
| decomposers | break down the remains of organisms |
| consumer | cannot make its own food |
| first-level consumer | eats only producers |
| nocturnal | animals that are active at night |
| talons | claws |
| raptor | bird of prey |
| owl pellet | regurgitated undigested remains of an owl's prey |
