Humans put non native species in lake
species in lake react poorly
keystone species are eaten
species in lake die off
sustainable use is what you do to protect our resources
they are important because they provide protection to other organisms.
Humans hunt and animal
the animal is over hunted and put on endangered species list.
animal is still hunted and goes extinct
population increases drasticly
resources run low
species die out
Humans use chemicals or fertilizer.
chemicals get released into the air.
The rain turns to acid and kills trees.
Water is polluted and not safe
Humans using gas and other resources that can pollute water and other resources.
pollution gets in other species food and gets them sick and possibly kills them.
pollution gets into our resources and passes on sickness and dangerous chemicals
Bald eagles almost died out due to a DDT pollution in their homes.
Global climate change.
Humans burn fossil fuels
gas goes into atmosphere
the atmosphere uses the carbon to warm the earth
the earth gets too much carbon and heats the earth too much.
winter gets warmer, arctic animals die off and glaciers melt.
Water rises and severe storms occur more frequently
Humans cut down forest
Dying out of species and trees.
Habitat fragmentation is cutting large areas of habitat into neighborhoods.