Science Unit 8 Ecosystems
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| all the living and nonliving things that interact in a particular area | ||
| any living thing | ||
| the place where an organism lives and provides the things and organism needs | ||
| the living parts of an ecosystem | ||
| the nonliving parts of an ecosystem | ||
| all the members of one species in a particular area | ||
| a closely related population of animals that work together for the benifit of the group | ||
| all the different populations that live together in an area | ||
| the study of how living things interact with one another and the environment | ||
| the number of individuals in a specific area | ||
| an approximation of a number, based on reasonable assumptions | ||
| the number of births in a population in a certain amount of time | ||
| the number of deaths in a population in a certain amount of time | ||
| moving to a population | ||
| leaving a population | ||
| an environmental factor that prevents a population from increasing | ||
| the largest population that an environment can support | ||
| autotrophs that produce food and store energy | ||
| heterotrophs that obtain food and energy be eating other organisms | ||
| heterotrophs that obtain energy by breaking down the wastes and remains of other organisms | ||
| a diagram made by ecologists to show the flow of energy from organism to organism | ||
| the total amount of living matter, and remains of dead organisms, in an area | ||
| a diagram that shows all the food chains that are connected | ||
| the process of combining free nitrogen with other elements |