Day-to-day conditions in Earth’s atmosphere, such as “sunny and humid,” describe

• climate.
• climatograph.
• weather.
• biome.

Which biome would have the highest net primary production?

• savanna
• boreal forest
• coral reefs
• desert

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.

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

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

• 90 percent
• 75 percent
• 25 percent
• 50 percent

Ecologists use similarities between ecosystems to classify them into broad categories called

• biomes.
• littoral zones.
• estuaries.
• benthic zones.

Which biome would have the lowest net primary production?

• tropical rain forest
• temperate grassland
• coral reef
• desert

Over a given unit of time, the rate at which plants and algae convert solar or chemical energy into energy stored in the bonds of organic sugars is called

• natural selection.
• gross primary production.
• salinity.
• estivation.

Weather describes the average conditions, including temperature and precipitation, over long periods in a given area

• True
• False

Warm and wet biomes have the lowest net primary production

• True
• False