Exam 20: The Biosphere

A ________ is a wetland dominated by trees and shrubs.

Species introduced into a new environment by humans always become invasive species.

For years,currents have been concentrating plastics in the Pacific Ocean in the Great Pacific ________.

Understanding plate tectonics has helped ecologists make sense of ancient biomes; when landmasses move in elevation or to different regions of the globe,they experience climatic change. Use the figure above to predict the change for a temperate deciduous forest as it moves north and elevates by 5,000 feet.

An ecosystem consists of both biotic (living)and ________ (nonliving)factors.

Collectively,the biosphere's major terrestrial and aquatic life zones are called

Temperature differences drive air movement in the six atmospheric convection cells with warm,moist air sinking and cool,dry air rising.

In the Northern Hemisphere,most ocean currents run clockwise.

A rain shadow effect can develop when

Which of the following best explains how a single volcanic eruption in Hawaii can have an effect on the weather elsewhere in the world?

Meteorologists use the term ________ to describe the temperature,precipitation,wind speed,and other physical conditions at a specific place over a short period of time.

All cities at a given latitude have the same average temperature.

Terrestrial biomes are generally named based on the

The intertidal zone is somewhat unusual in comparison to the other aquatic biomes because

Deserts form only near the equator.

Despite the absence of photosynthesis,the continuous settling of detritus makes the ________ zone of the coastal ocean a stable habitat.

Why does the zebra mussel cause more trouble in North America than in its original home?

Which of the following best explains why a given biome is NOT found in each location where it could potentially exist?

Occupying more than 75 percent of Earth's surface,________ biomes are clearly the dominant habitat for life on this planet.

Species that are accidentally or intentionally released into new geographic regions are called ________ species.