| A | B |
|---|
| cycle | the movement of resources (energy) in an ecosystem. It is used over and over again |
| ecosystem | the interactions between the living (biotic) and nonliving (abiotic) factors of a community |
| organism | a living thing |
| producer | makes its own food (green plant) |
| consumer | must eat other living things to gain energy |
| decomposer | breaks down the bodies of living things amd returns the energy to the ecosystem |
| herbivore | an animal that eats only plants or plant materials |
| carnivore | an animal that only eats flesh |
| omnivore | an animal that eats both plant and animal matter |
| primary consumer | an herbivore |
| secondary consumer | can eat either herbivores, carnivores, or omnivores. |
| limiting factor | that one thing in an ecosystem that determins the number of living things that can survive there |
| carrying capacity | the maximum number of organisms that can exixt in an ecosystem healthily |
| balance of nature | when resources and living things remain the same over a long period of time |
