Chapter 3 Science 4 and 5 mtca
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22 terms
Terms | Definitions |
|---|---|
 Ecosystem | All living and nonliving things in an environment. |
| Community | All living and nonliving things in an ecosystem. |
| Habitat | Where an organism lives and gets food |
| Food chain | path that energy and nutrients follow in an ecosystem |
| Food web | the overlapping food chains in an ecosystem |
| Energy pyramid | a diagram that shows the amount of energy available at each level of an ecosystem |
| Carrying capacity | the maximum population size that an area can support |
| Predator | An animal that hunts other animals for food. |
| Prey | animals that are eaten by other animals |
| Adaptation | characteristic that helps an organism survive in its environment |
| Camouflage | any coloring shape or pattern of an organisms to blend into their environments |
| Mimicry | An adaptation in which an animal is protected against predators by its resemblance to an unpleasant animal. |
| Protective coloration | A type of camouflage in which the color of an animal helps it blend in with its background. |
| Protective resemblance | Matching the color, shape, and texture of an environment. |
| Parasitism | parasitic relationship where one organism benefits and the other is harmed |
| Symbiosis | relationships between two or more kinds of organisms that last over time |
| Mutualism | symbiotic relationship that benefits both organisms |
| Commensalism | symbiotic relationship that benefits one organism without harming the other |
| How do organisms interact? | They interact by living together and communicating. |
| Limiting factor | Any resource (biotic or abiotic) that restricts the growth of populations |
| Niche | The special role that an organism plays in a community. |
| Population | All members of a single species. |
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