Environmental Science
All the statements are correct regarding ecological succession except

Species diversity increases as succession proceeds
The role of decomposers becomes more and more important
The food chain relationships becomes more complex
It is a random process

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Environmental Science
Which of the following regarding ecological pyramids is not correct?

The pyramid of energy expresses mainly the rate of food production
The total energy flow at successive tropical level always decreases
In deep water ecosystem, the pyramid of biomass is upright
In most ecosystems, the pyramid of numbers and biomass are up right
In tree dominated ecosystem the pyramid of numbers is inverted

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Environmental Science
The primary cause of a radiation inversion is:

Solar radiation reflected by the earth's surface
Infrared radiation emitted by the earth's surface
Infrared radiation absorbed by the atmosphere and clouds
Infrared radiation absorbed by the earth's surface
Solar radiation absorbed by the earth's surface

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