Environmental Science - Study Mode

[#201] Killing of animals disturbs
Correct Answer

(C) The balance of nature

Explanation

Solution: Killing of animals disturbs the balance of nature.

[#202] A biomass pyramid is important because it illustrates
Correct Answer

(D) The number of tropic levels in a system

Explanation

Solution: Biomass pyramids show how much biomass (the amount of living or organic matter present in an organism) is present in the organisms at each trophic level, while productivity pyramids show the procreation or turnover in biomass.

[#203] Low clouds retard surface cooling at night better than clear skies because:
Correct Answer

(A) The clouds absorb and radiate infrared energy back to earth

Explanation

Solution: Low clouds retard surface cooling at night better than clear skies because the clouds absorb and radiate infrared energy back to earth.

[#204] The main reason(s) for warm summers in northern middle latitudes is that:
Correct Answer

The earth is closer to the sun in summer

Explanation

Solution: The main reasons for warm summers in northern middle latitudes is that the sun is higher in the sky and we receive more direct solar radiation and the days are longer.

[#205] All the statements are correct regarding ecological succession except
Correct Answer

(A) It is a random process

Explanation

Solution: All the statements are correct regarding ecological succession except that it is a random process.