| A | B |
|---|
| producers | the plants and algae that produce oxygen and food that animals need |
| consumers | any animal that eats plants or eats other animals |
| decomposers | any of the fungi |
| herbivore | an animal that eat plants |
| carnivores | animals that eat other animals |
| omnivores | animals that eat both plants and animals |
| sun | the original source of energy in an ecosystem |
| food chain | shows one path energy takes |
| food web | shows the relationship between all of the species in a community; it shows how populations must compete for food; it is a map of overlapping food chains |
| limiting factor | anything that controls the growth or survival of a population |
| carrying capacity | the maximum population size that the resources in an area can support |
| predator | living things that hunt other living things for food |
| prey | living things that are hunted by predators |
| scavenger | animals that feed on the remains of dead animals and therefore are not classified as predators |
