濒临灭绝动物英语演示文稿课件

濒临灭绝动物英语演示文稿课件1Do you like animals?Have a lookDo you like animals?Have a 2濒临灭绝动物英语演示文稿课件3What do you think?They are really lovely!But unfortunately,they are all endangered animal.What do you think?They are re4The twelve most endangered animal species 古巴鳄（Cuban crocodile）佛罗里达戴帽蝙蝠佛罗里达戴帽蝙蝠(Florida bonneted bat)The twelve most endangered an5绿眼蛙绿眼蛙（Green Frog）格林纳达鸽格林纳达鸽（Grenada dove）绿眼蛙格林纳达鸽 6亨氏羚羊亨氏羚羊(Heinz antelope)犁头龟犁头龟(Ploughshare tortoise)亨氏羚羊 犁头龟 7苏门答腊猩猩苏门答腊猩猩(Sumatran Orangutan)岛屿灰狐岛屿灰狐(Urocyon littoralis)苏门答腊猩猩 岛屿灰狐 8 白头叶猴白头叶猴 White headed leaf monkey小头鼠海豚小头鼠海豚 Phocoena sinus Norris 白头叶猴 小头鼠海豚 9普氏野马普氏野马(Equus przewalskii)罗默小树蛙罗默小树蛙(Luo s tree frog)普氏野马罗默小树蛙 10There are over 5000Vertebrate(脊椎动物）脊椎动物）animals are threatened or endangered.Many things can cause animals to become threatened or endangered;Most problems are caused byThere are over 500011Following are some major PROBLEMS:First Problems:habitat loss Habitat is the ecosystem(生态系统）生态系统）of animals,they need to live in proper place,such as swamp,rain forest,desert,etc.Human replace the animal habitats,it could cause an extensive loss of ranges for animals.Following are some major PROB12Second Problem:pollution Commercial and industrial operations can reduce land and pollute environment.Air pollution Water pollutionSecond Problem:pollution Co13Third Factor:predation or illegal killing Predation makes animals become endangered is over-fishing or over-hunting.Third Factor:predation14Forth Factor:introduction animal Many rarity animals are introduced by people to areas where they never existed before.The introduction of a non-native species to a habitat may make animals become endangered.许多稀有的动物被人们引进到他们从未生许多稀有的动物被人们引进到他们从未生存过的地方，引进一个非本地物种到一个存过的地方，引进一个非本地物种到一个栖息地可能使动物濒临灭绝。栖息地可能使动物濒临灭绝。Forth Factor:introduction ani15Fifth Factor:disease Introduced animals bring new diseases with them,becomes another reason of why are animals endangered.The native animals cant resistance（抵抗）（抵抗）to non-native diseases.Another cause of disease is chemicals.Some chemicals direct effect on some animals population.Fifth Factor:disease Introd16Whats your feeling now?Do you want these lovely animals live?We have to know that when animals become endangered,the entire food chain can be affected.These five major PROBLEMS are all caused by HUMANS!Whats your feeling now?Do yo17So!Please!Help the endangered animals,help ourselves,help the world!So!Please!Help the endang18濒临灭绝动物英语演示文稿课件19