Term
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Definition
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Term
| grow is initially slow because there are ________ |
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Definition
| few reproducing organisms |
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Term
| growth then begins to increase rapidly because there is ______ |
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Definition
| alot of reproducing organisms |
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Term
| a graph of exponential growth is shaped like a ___ |
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Definition
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Term
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Definition
| the maximum number of organisms that an enviroment can support indefinately (for a long time) |
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Term
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Definition
| factors that limit the survival of a population (ex. space food, water, predators) |
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Term
| density dependent limiting factors |
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Definition
| factors that have an increasing effect (they limit more) as the population gets bigger |
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Term
| density independent limiting factors |
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Definition
| factors that reduce the population size no matter how big or small it is |
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Term
| examples of density dependent limiting factors |
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Definition
| more organisms more competition- parasites and disease spread easier |
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Term
| examples of independent limiting factors |
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Definition
| natural disaster/ weather |
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Term
| 4 influences on birth rates |
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Definition
| culture, access to health care, education, birth control |
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Term
| factors that affect death rates |
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Definition
| access to health care, food resources, access to clean water, wars |
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Term
| what are some resources that people use/ need |
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Definition
| water, fossil fuels, food, clothes, etc... |
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