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scienc chl3
chapter 3 vocab./terms
Term | Definition |
---|---|
adaptation | a trait or characteristic that helps an organism survive in its environment |
habitat | the natural environment where an organism lives |
niche | the role of an organism in its habitat |
symbiosis | a close, long-lasting relationship between species |
extinction | the dying out of all the members of a species |
population | all the member of the same type of organism living in an ecosystem |
predator | an animal the hunts and eats other animals |
prey | an animal that is hunted and eaten by a predator |
endangered species | a species that is close to extinction |
pollution | the addition of harmful things to the environment |
threatened species | a species that is close to becoming endangered |