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ES 2
Environmental Science
| Term | Definition |
|---|---|
| Abiotic factors | Nonliving parts of an ecosystem |
| Adaptation | an inherited trait that increases an organism's chance of survival and reproduction in a certain environment |
| Biotic factors | Living parts of an ecosystem |
| Coevolution | Two or more species evolving in response to each other |
| Commensalism | Relationship between two species in which one species benefits and the other is neither harmed nor helped |
| Community | a group interacting populations of different species |
| Competition | the relationship between species that attempt to use the same limited resource |
| Ecosystem | All living organisms in a certain area as well as their physical environment. |
| Evolution | change in the genetic characteristics of a population from one generation to the next |
| Extinction | the irreversible disappearance of a population or species |
| Habitat | Place where organisms live |
| Host | Organism from which a parasite takes its nourishment |
| Mutualism | a relationship between two species in which both benefit |
| Natural Selection | Term used to describe the unequal survival and reproduction of organisms that results from the presence or absence of particular inherited traits |
| Niche | An organism's way of life |
| Organism | An individual living thing |
| Parasites | Organism that lives in or on another organism and feeds on it without immediately killing it |
| Parasitism | the relationship between a parasite and its host |
| Population | A group of individuals of the same species living in a particular place |
| Predation | the act of killing and eating another organism |
| Predator | Organism that kills and eats another organism |
| Prey | Organism that is killed and eaten by a predator |
| Species | A group of organisms that are able to produce fertile offspring and that resemble each other in appearance, behavior, and internal structure |