Exam 18: The Biosphere And Human Effects

A clear lake is likely to be ____.

Match each description with the correct aquatic ecosystem. -found on the ocean floor

The distribution of major biomes is controlled mainly by ____.

Global air circulation patterns are produced by ____ differences in the amount of solar radiation reaching Earth.

The loss of mayflies from a stream suggests that the quality of water is declining; therefore,mayflies are a(n)____ species.

Match each key concept with its correct description. -biological magnification

Which way do ocean currents circulate in the Northern Hemisphere?  

Match each description with the correct aquatic ecosystem. -area of greatest species richness

Which region experienced a desertification event called the Dust Bowl in the 1930s?  

Match each key concept with its correct description. -logging of tropical rainforests

Match each description with the appropriate biome.Some choices may be used more than once. -biome with the coldest temperatures 

What salt-tolerant woody plants have prop roots that help the plant stay upright in soft sediments?  

The prime factor that drives coral bleaching is ____.

Solar radiation that falls on high latitudes ____.

Match each key concept with its correct description. -hydroelectric power

A characteristic of a temperate deciduous forest biome that differs from a tropical rainforest biome is that in a deciduous forest,____.

Match each description with the correct aquatic ecosystem. -main producers are dinoflagellates

Match each description with the appropriate biome.Some choices may be used more than once. -dominant plants are drought-resistant shrubs adapted to fire

Where are grassland biomes typically found?