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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 |