Environmental Science
Lead poisoning

reduces O2 carrying capacity of myoglobin in muscles
increases O2 carrying capacity of myoglobin in muscles
increases O2 carrying capacity of hemoglobin in blood
reduces O2 carrying capacity of hemoglobin in blood

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Environmental Science
The order of succession in a lithosere or xerosere is

Crustose lichen stage->Foilose lichen stage->moss stage->herb stage>shrub stage->forest stage (climax community)
Crustose lichen stage->Foilose lichen stage->moss stage-> ->shrub stage-> herb stage->forest stage (climax community)
Moss stage ->Foilose lichen stage-> Crustose lichen stage ->herb stage->shrub stage->forest stage (climax community)
Foliose lichen stage->Crustose lichen stage->moss stage->herb stage>shrub stage->forest stage (climax community)

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Environmental Science
What is meant by ex-situ conservation?

Conservation of plants
Conservation of forest eco system
Conservation of a species outside its natural habitat
Conservation of a species by protecting its habitat along with all other species living there

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