EVS Ch 6-7: Biodiversity and Ecosystems Quiz

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

• Climate

• Climatograph

• Weather

• Biome

A region that includes tigers, eagles, lizards, fish, rabbits, and many other types of organisms would be described as having a high level of

• taxonomic diversity

• genetic diversity

• ecosystem diversity

• species diversity

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 freshwater or saltwater

• the speed at which the water moves

• available sunlight and nutrients

• waves and tides

The latitudinal gradient is a natural pattern in which species diversity generally

• increases toward the equator

• decreases toward the prime meridian

• decreases in warmer climates

• estivation

Which type of organism dwarfs all others in terms of species diversity?

• plants

• mammals

• insects

• protists

High levels of biodiversity tend to

• have little or no effect on ecosystems

• decrease an ecosystem's resistance

• make an ecosystem less resilient

• increase the stability of an ecosystem

Which product(s) is/are often derived from the natural environment?

• cooking oil

• medicines

• fuel

The disappearance of a particular population from a given area, but not of the entire species globally, is called

• extirpation

• extinction

• poaching

• fragmentation

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