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

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

Click here to enter the link

Click here to enter the link

extinct – a species that has

died out completely

Click here to enter the link

Click here to enter the link

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