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