| A | B |
|---|
| adaptation | characteristic that helps an organism survive |
| ecosystem | all the living and nonliving things in an environment |
| food chain | energy flows in one direction in this |
| habitat | place an organism lives and finds food |
| limiting factor | something that restricts the growth of organisms |
| mimicry | looking and acting like a more dangerous animal |
| niche | the job an organism has in its community |
| population | all of one kind of species in an environment |
| protective coloration | used by animals to blend in and hide |
| symbiosis | a relationship between 2 or more organisms |
| carnivores | eat other animals |
| mutualism | helps both organisms |
| energy pyramid | plants on the bottom, followed by layers of consumers |
| commensalism | helps one and doesn't matter to the other |
| biotic | living |
| abiotic | nonliving |
| adaptations of a cactus | spines, thick skin, shallow roots |
