| A | B |
|---|
| biomass | amount of organic matter in an ecosystem |
| carnviores | animals that feed on other animals |
| climax community | a stable community |
| commensalism | relationship where one organism benefits |
| competition | organisms competing for same resources |
| condensation | water vapor changed back into water |
| evaporation | water changed into water vapor |
| food chain | path of energy transfer |
| food web | interconnecting food chains |
| heriboves | animals that feed on plants |
| host | organism in parasitic relationship that is harmed |
| mutualism | relationship where both organisms benefit |
| omnivores | animals that feed on both plants and animals |
| parasite | the organism that benefits in a parasitic relationship |
| pioneer organisms | first organisms to populate a given location |
| predators | carnivores that kill and consume their prey |
| prey | animals that are killed and consume their prey |
| primary consumer | animals that eat green plants |
| saprophytes | organisms that feed on dead-decaying organisms |
| scavengers | carnivores that feed on dead animals that they find |
| secondary consumer | animals that eat other animals |
| succession | gradual replacement of one community by another |
| symbiosis | close relationship |
| water cycle | material cycle involving evaporation and condensation |
