Human changes in ecosystems power point
7
Human changes in ecosystems
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changes in ecosystems
Transcript of Human changes in ecosystems power point
Human changes in ecosystems
Natural changesNatural changes are like when the leaves turn brown in autumn
PollutionWe contaminate the Earth and many animals die
OverfishingWe take fish that we don´t need
Forest firesThis is produced by glasses or other things
DeforestationPeople cut down trees and many animals don´t have a house
And remember!!!
You have to help the planet