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Environmental Science

Environmental Science
In the Northern Hemisphere, this day has the fewest hours of daylight:

Autumnal equinox
Summer solstice
Vernal equinox
Winter solstice

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Environmental Science
At any given time, ______ of the earth is illuminated by the sun.

One-half
One-fourth
Two-thirds
One-third

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Environmental Science
The term "Biocoenosis" was proposed by

Transley
Warming
None of these
Carl Mobius

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Environmental Science
Barnacles growing on the back of whale is an example for

parasitism
mutualism
commensalism
amensalism

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Environmental Science
In the northern hemisphere, the number of hours of daylight begin to shorten after the

Winter solstice
Autumn equinox
Summer solstice
Spring equinox

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Environmental Science
The study of food chains and food webs is observed in the phenomenon known as

ecosystem
biological chain
energy flow
biological magnification

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