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Definition
| obtains food, water, shelter, and other need to live, grow and reproduce from its environment. |
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| interacts with both living and non living things i its habitat. |
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Definition
| All the living parts of a habitat. |
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| All the non living parts in a habitat. |
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| Levels of Organization in Order |
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Definition
| Populations, Communities, and Ecosystems. |
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Definition
| study of how living things interact with each other in its environment. |
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| 4 ways of determining Population Size |
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Definition
| Direct Observation, Indirect Observation, Sampling, and Mark-and-Recapture Studies. |
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Definition
| The number of births in a population in a certain amount of time. |
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Definition
| The number of deaths in a population in a certain amount of time. |
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| Main way for someone to enter a population. |
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Definition
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| Main way for someone to leave a population. |
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Definition
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| Some limiting factors are food and water, space, and weather conditions. |
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| a close relationship between two species that benefits at least one of the species. |
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Definition
| Mutualism, Commensalism, Parasitism |
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| first species to populate an area. |
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