Chapter 6 Climate and Ecosystems

Day-to-day conditions in Earth's atmosphere, such as "sunny and humid," describe 

• climate
• climatograph
• weather
• biome

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Which biome would have the highest net primary production?

• savanna
• boreal forest
• coral reefs
• desert

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In aquatic ecosystems, net primary productivity is related to

• whether the water is fresh  water or saltwater
• the speed at which the water moves
• available sunlight and nutrients
• waves and tides

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In the graph, the solid line represents precipitation and the dashed line represents temperature.  What type of conditions are indicated by the areas of the graph labeled A?

• hot
• moist
• dry
• freezing

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What percentage of Earth's surface is covered in water?

• 75%
• 90%
• 25%
• 50%

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Which of the following describes the aphotic zone in an aquatic ecosystem?

• the very bottom of a body of water
• the zone where no sunlight penetrates and photosynthesis cannot occur
• the shallow, near-shore zone
• the uppermost layer where there is enough sunlight for photosynthesis

Which zone of an aquatic ecosystem tend to have more life- both producers and consumers?

• aphotic zone
• photic zone
• benthic zone
• all have roughly the same amount of life

Which ecosystems are considered standing freshwater ecosystems?

• lakes
• wetlands
• ponds
• all of these

A bog is a wetland that

• is entirely covered in thick, floating mats of vegetation
• has shallow water and tall, grasslike plants
• has shallow water and woody shrubs and trees
• has mostly salt water

What ocean zone begins at the edge of the continental shelf and then extends outward into deeper water?

• intertidal
• open ocean
• littoral
• neritic