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1、The extinction of species,占迎1705202009,Contents,1.The definition of species extinction2.The process of extinction3.The causes of extinction4.The consequences of extinction5.The methods of protecting endangered animals,1.The definition of species extinction,IrreducibleDisappearanceDestructionPlants o
2、r animals,2.The process of extinction,sixthfaster speed,3.The causes of extinction,Natural causesRace competitionEpidemic of germsGeological changesVolcanic eruption,Human causesHabitat lossOverexploitationBlind introductionEnvironmental pollution,4.The consequences of extinction,(1)reduce species d
3、iversity(2)Huge loss of biological gene bank(3)Destroy the ecological balance(4),5.The methods of protecting endangered animals,government(1)create nature reserves(2)develop a domesticated breeding method(3)resource monitoring and scientific research(4)strengthen the legal supervision system,What can we do as a citizen?,(1)respect life(2)no purchase of wild animal products(3)dont eat wild animal(4)stop the trafficking of wild animals,Thank you!,
