Home >> Flashcards >> Biology >> 10.1/Population Growth
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| • Study of the interactions between organisms and their environment |
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| • A group consisting of all the members of a species who live in a defined area |
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| • The change in number of the members in a population over time |
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• Rapid, unlimited increase in the size of a population under ideal conditions
• Increases exponentially over time J-curve
• Abundant food, maximum reproduction, little predation, not really possible |
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• S-shaped curve on a graph—fast growth for a time, then it levels off because of limiting factors
• What actually happens—not exponential growth |
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• The maximum population size that a particular environment can support
• Point where the number of individuals on a limited growth graph levels off
• Birth rate = death rate
• Usually population exceeds it for a little, then it levels off |
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