There are temperate rainforests that occur in higher latitudes (at approximately
ID: 196667 • Letter: T
Question
There are temperate rainforests that occur in higher latitudes (at approximately 25 and 50 degrees).
Based on your understanding of rainforests and how they are maintained at the equator, which of the following is a plausible cause for rainforests at higher latitudes
-The Coriolis effect is much stronger at the equator. So warm, moist air that rises is deflected further north where the moisture drops out of the air and creates temperate rainforests
-Wind moving across oceans picks up warm water, then drops the moisture as it moves over cooler land masses at these latitudes.
-Cold air flowing at these latitudes holds water and as it falls to the surface it drops its water.
-Warm air deflected north drops its water as it moves away from the equator.
Why do some water masses in subsurface oceans have little or no oxygen?
-Large carnivores deplete oxygen in subsurface oceans via their high rates of oxygen metabolism.
-Rates of photosynthesis are low in overlying waters, limiting the availability of oxygen.
-Waters underneath the surface oceans are cold and so have a limited capacity to carry oxygen in solution.
-Rates of photosynthesis are high in overlying waters, supporting high rates of respiration in waters that deplete the oxygen there
FOR this one I think it is just the last two but wanted to make sure :
Microorganisms are important to the carbon cycle because, without them: (Select all that apply.)
there would be no chemoautotrophs.
organic carbon in oxygen-free environments could not be cycled.
primary producers would be limited by nitrogen availability.
carbon dioxide would not be liberated into the atmosphere for use by autotrophs.
Explanation / Answer
Rain forest:
The rainfall is high near the equator because, the solar energy is high near the equator as a result there is high evaporation rate. As the evaporated warm air moves higher it cools down and the moisture in it falls as rain fall.
The warm air that raises high is drawn towards the north pole-coriolis effect, because of the temperature gradient between the poles and the equator. It does not reach the pole but the warm air condenses and falls as rainfall, this creates the tropical rain forests.
The possible causes of rain forest are:
Why does subsurface ocean have little or no oxygen?
Surface layer of ocean get oxygen usually through the diffusion from atmosphere. This water sinks down to provide oxygen to deep sea life.
Microorganisms are important for carbon cycle because:
Microorganisms play a major role by decomposing the remains of plants and animals, releasing carbon dioxide to the atmosphere.
Following does not involve in carbon cycle:
Chemoautotroph’s are microorganisms use inorganic substances as their energy source such as ammonia, hydrogen sulphide, ferrous etc
When decomposing the organic substances microorganisms efficiently decompose in aerobic condition.
Nitrogen fixing bacteria is used in fixing nitrogen from atmosphere to nitrate compounds into the soil, this is further used by the plants (nitrogen cycle).
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