Exam 4: Environments and Life

Descending Antarctic water flows well into the Northern Hemisphere bringing and brings needed __________ to bottom-dwelling animals.

The upper layer of the ocean, where enough light penetrates the water to permit plants to conduct photosynthesis, is called the __________ zone and occurs at depths of __________ meters in most instances.

Brackish seawater is common in

The Great Basin of North America lies in the rain shadow of the

The tropical zone of calcareous nannoplankton in the modern Atlantic Ocean sits astride what latitude?

__________ form in areas where rainfall is sufficient for grasses, but NOT forests, to grow.

Consumers that feed on producers are called

__________ are marine animals that strain zooplankton from seawater.

The northern and southern trade winds converge in the

Near the deepest part of the __________, continental crust gives way to oceanic crust.

The intertidal zone is most closely associated with

Thinking of the marine food web, select the most important nektonic organism listed below.

The way that a species relates to its environment defines its

Terrestrial climates on land near the equator tend to be

How many gyres are associated with wind systems of the Northern Hemisphere of Earth?

The albedo of Earth's surface is greatest in areas covered by

Diversity is usually relatively low in habitats that

A by-product of long-term photosynthesis that is a major constituent in Earth's atmosphere is

Temperate forests, dominated by maples, oaks, and beeches (plus flowering plants), are located in

The tilt of Earth's axis causes