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Animals & Nature
population growth
biology
Category:
Animals & Nature
- Key People:
- Thomas Malthus
- Kingsley Davis
- Paul R. Ehrlich
- Jacques Bertillon
Recent News
Jan. 18, 2024, 7:36 AM ET (CBS)
Relatively mild winter causing bee populations to grow faster, swarm sooner than expected
Jan. 8, 2024, 5:36 PM ET (Yahoo News)
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population growth, in population ecology, a change in the number of members of a certain plant or animal species in a particular location during a particular time period. Factors affecting population growth include fertility, mortality, and, in animals, migration—i.e., immigration to or emigration from a particular location. The average change in a population over time is referred to as the population growth rate. A positive growth rate indicates a population increase, and a negative growth rate indicates a population decrease. The upper limit of a population in a given environment, referred to as the environment’s carrying capacity, is determined by ...(100 of 685 words)