Transcript How Populations Survive Chapter 5, Lesson 3

How Populations Survive
Chapter 5, Lesson 3
limiting factor
carrying capacity
endangered species
extinct
threatened species
limiting factor – anything that
controls the growth or survival of
a population
predators
predators
camouflage
food sources
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