"strange days on planet earth"
alien species are different species that may or may not have ever existed for example termites they are from china and have infested loisiana and destroyd buildings there and in chicago and can build asses tunnels under groubd to gather food also they can live in trees witch can make it difficult to exterminate them
part 2
in uganda the top preator ther is the nile crocadille in lake victoria then the nile pearch killed outher small native fish after that water hassian also infested the lake so the natives installed weevils into the water and within 5 yeas water hassian started to decrese in hawai maiconia can cause land slides if they can grow big
part 3
scientist think that 1/3 of land mammals will be extinct if outher annimals have no borders and over a century by burning carbon dioxide fuels we have raised the arths tempature bu one degree in alaska climate change has affected the caraboo because over a few years the herd has been stedaly declineing and in winter there is more snow so they can be easly killed by preators and starveation
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