| A | B |
|---|
| herbivore | consumer that eats only producers |
| species | a group of organisms that are closely related and can mate to produce fertile offspring |
| omnivore | consumer that eats both producers and other consumers |
| scavenger | consumer that eats only dead organisms |
| decomposer | organisms that get energy by breaking down dead organisms |
| food chain | simple model of the feeding relationships and energy flow in an ecosystem |
| food web | model that shows all the possible feeding relationships among the organisms in a community; interlocking food chains |
| energy pyramid | model that shows the amount of energy available at each feeding level |
| limiting factor | anything that restricts the number of individuals in a population |
| carrying capacity | the largest number of individuals of one species that an ecosystem can support over time |
| biotic potential | hhighest possible rate of growth for a population |
| competition | one or more organisms, populations, or communities attempting to use the same resource |
| predation | the act of being involved in a predator/prey relationship |
| symbiosis | any close, long-term relationship between species |
| ecology | study of interactions that occur among organisms and their environment |
| carnivore | consumer that eats only other consumers |
