1)If Earth had no oceans, would temperatures at the equator be hotter or colder than they are now?A. Temperatures would be hotter.B. Temperatures would be colder.C. Temperatures would remain the same.D. This question can’t be answered without additional information.2) If the Earth spun on an axis that was perfectly perpendicular to the equator, then the poles would receive the same amount of solar energy as the equator.3) If the Earth spun on an axis that was perfectly perpendicular to the equator, how might this affect the light at the Arctic Circle?A. There would be fewer days where there was no solar radiation at the Arctic Circle. B. The land area where no solar radiation occurred would be reduced relative to its area now. C. There would be no days at the Arctic Circle without solar radiation.
4) Why are many of the world’s deserts found at 23–30 degrees latitude?5) A tundra ecosystem would include which of the following?6) Why are the bottom waters of some lakes anoxic? A. The respiration of sinking organic particles reduces oxygen in deep waters.B. Physical stratification keeps bottom waters from mixing with oxygen-rich surface waters.C. Runoff of fertilizers from agriculture can increase the amount of primary production and D. All of these choices are correct. hence respiration in the lake.
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- Fall '19
- Ecology, Ecological niche