Environmental Science
Which of the following is mainly responsible for the extinction of wild life

Hunting of flesh
Destruction of Habitats
All of these
Pollution of air and water

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Environmental Science
Which of the following is false?

The energy content in a trophic level is determined is determined by considering a few individuals of a species in that trophic level.
The succession that occurs in newly cooled lava is called primary succession
Rate of succession is faster in secondary succession
Phytoplanktons are the pioneers in the aquatic ecosystem
Quantity of biomass in a trophic level at a particular period is called as standing crop

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