Term
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Definition
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Term
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Definition
| an environment that provides the specific things an organism needs to live, grow, and reproduce |
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Term
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Definition
| parts of a habitat that are living, or once living, and interact with other organisms |
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Term
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Definition
| the nonliving parts of an organisms habitat |
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Term
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Definition
| a group of organisms that can mate with each other and produce offspring that can also mate and reproduce |
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Term
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Definition
| all the members of one species living in a particular area |
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Term
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Definition
| all the different populations that live together in an area |
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Term
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Definition
| a community of organisms that live in a particular area, along with their nonliving environment |
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Term
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Definition
| the study of how organisms interact with each other and their environment |
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Term
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Definition
| number of births per 1000 individuals in a certain time period |
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Term
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Definition
| number of deaths per 1000 individuals in a certain time period |
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Term
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Definition
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Term
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Definition
| moving out of a population |
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Term
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Definition
| the number of individuals in an area of a specific size |
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Term
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Definition
| an environmental factor that causes a population to stop growing or decrease in size |
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Term
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Definition
| the largest population that an area can support |
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Term
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Definition
| a characteristic that makes an individual better suited to a specific environment may eventually become common in a species |
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Term
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Definition
| behaviors and physical characteristics that allow organisms to live successfully in their environment |
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Term
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Definition
| the role of an organism in its habitat |
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Term
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Definition
| the struggle for organisms to survive as they attempt to use the same limited resources |
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Term
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Definition
| interaction in which one organism kills another for food or nutrients |
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Term
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Definition
| the organism that does the killing |
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Term
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Definition
| the organism that is killed |
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Term
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Definition
| relationship in which two species live closely together and at least one species benefits |
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Term
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Definition
| a relationship in which both species benefit |
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Term
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Definition
| a relationship in which one species benefits and the other is neither helped or harmed |
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Term
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Definition
| a relationship that involves one organism living with, on, or inside another organism and harming it |
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Term
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Definition
| the organism that benefits in a parasitic relationship |
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Term
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Definition
| the organism that is harmed in a parasitic relationship |
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Term
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Definition
| a series of predictable changes that occur in a community over time |
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Term
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Definition
| a series of changes that occur where no soil or organisms exist |
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Term
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Definition
| the first species to populate an area |
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Term
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Definition
| the series of changes that occurs in an area where the ecosystem has been disturbed, but where soil and organisms still exist |
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