vocab. for DSST Env.Sci. from Environmental Science by Karen Arms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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abiotic factors | nonliving parts of an ecosystem
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adaptation | an inherited trait that increases an organisms chance of survival and reproduction in a certain environment
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biotic factors | living parts of an ecosystem
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coevolution | two or more species evolving in response to each other
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commensalism | relationship between two species in which one species benefits and the other is neither harmed nor helped
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community | a group of interacting populations of different species
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competition | the relationship between species that attempt to use the same limited resource
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ecosystem | all living organisms in a certain area as well as their physical environment
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evolution | change in the genetic characteristics of a population from one generation to the next
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extinction | the irreversible disappearance of a population or a species
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habitat | place where an organism lives
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host | organism from which a parasite takes its nourishment
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mutualism | a relationship between two species in which both benefit
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natural selection | term used to describe the unequal survival and reproduction of organisms that results from the presence or absence of particular inherited traits
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niche | an organisms way of life
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organism | an individual living thing
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parasite | organism that lives in or on another organism and feeds on it without immediately killing it
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parasitism | the relationship between a parasite and its host
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population | a group of individuals of the same species living in a particular place
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predation | the act of killing and eating another organism
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predator | organism that kills and eats another organism
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prey | organism that is killed and eaten by a predator
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remora | small fish that cling to larger fish and other bodies by means of a sucking disc
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resource | anything that is ready for use or that can be drawn on for use by an organism
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species | a group of organisms that are able to produce fertile offspring and that resemble each other in appearance, behavior, and internal structure
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