chapter 5 lesson 3 - how populations survive
TRANSCRIPT
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How Populations SurviveChapter 5, Lesson 3
limiting factorcarrying capacity
endangered speciesextinct
threatened species
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limiting factor – anything that controls the growth or survival of a population
predators
camouflage food sources
predators
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carrying capacity – the maximum population size that the resources in an area can support
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endangered species – a species that is in danger of becoming extinct
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extinct – a species that has died out completely
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threatened species – a species that may become endangered
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urban growth – the movement from a rural (country) area to an urban (city) area
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pollution – when the air, water, or soil is dirtied by chemicals and/or trash
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strip mining – when people carve the land to get rocks that are near the surface
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fertilizer – chemicals used to make plants grow more effectively
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agriculture – farming; cultivating or growing plants for food or to meet other needs and wants