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| A limiting factor is an environmental factor that causes a population to decrease |
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| Space is another limiting factor for populations. |
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All the different populations that live together in an area make up a community |
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| An example is the 400 million prarie dogs in Texas Town or all the pidgeons in New York City. |
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| An ecosystem is the community of organisms that live in a particular area,along with their nonliving surroundings. |
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| The struggle between organisms to survive as they attempt to use the same limiting resource. |
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| The organisms that kills the prey and gains from the pray while the pray gets eaten. |
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| A close relationship between two species that benefits atleast one of the species. |
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| An organisms that lives in or on the host. |
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| The nonliving parts of an organisms habitat,these include water,sunlight,oxygen,temperature and soil. |
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| Biotic factors are the living organisms in a habitat in a prarie dog's habitat these may include grass, seeds and berries provide food. Mire biotic factors include the hawks ferrets badgers and eagles that hunt the prarie dogs. |
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| Adaptation is the behaviors and physical characteristics that allow organisms to live succesfully in their environment. |
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| A niche is the role of an organism in its habitat,or how it makes its living. |
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| Birth rate is the rate of a populations number of births in a certain amount of time. |
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Death rate is the rate of a populations number of deaths in a certain amount of time.
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