Environmental Science
What is hibernation and aestivation?

none
wind adaptation shown by animals
adaptation of animals to escape from predators
Thermal adaptation shown by animals

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Environmental Science
The earth's radiative equilibrium temperature is:

The temperature at which the earth is radiating energy at maximum intensity
The temperature at which the earth is absorbing solar radiation and emitting infrared radiation at equal rates
The temperature at which rates of evaporation and condensation on the earth are in balance
The average temperature the earth must maintain to prevent the oceans from freezing solid

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

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

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