Exam 46: Major Ecosystems of the Biosphere

In what order do these layers occur in deep lakes in the temperate zone during the summer?

Which of the following biomes is characterized by little rainfall,permafrost,and an average temperature below 0°C?

What occurs to air currents as they travel from 60° north towards the pole?

The sunlit portion of a lake where rooted plants are not found is the

A forest found in a broad belt in northern Eurasia and North America,with conifers and swamps,is called the

The Humboldt Current runs along the coast of South America,carrying nitrogen-rich cold water northward.

Ocean currents

Which ocean current runs along the western coast of South America producing cold offshore winds?

There are tubeworms and clams that live at the bottom of the ocean near thermal vents that do not have direct access to sunlight so they derive their energy from

Temperate deciduous forests are characterized by

The Earth is actually farther from the sun during the period when the Northern Hemisphere is having summer.How can this be explained?

Due to its high productivity and biological diversity,this biome is considered the "nursery" of the sea. A)rocky beach B)sandy beach C)estuary D)coral reef E)ocean floor

Which of the following biomes will receive migratory animals,such as caribou,from the tundra?

Identify the winter solstice,summer solstice,vernal equinox,and autumnal equinox in the picture.Briefly describe the position of the Earth in relation to the sun and the time of year each event occurs. A.________ B.________ C.________ D.________

Which aquatic zone will provide a habitat for invertebrates and many small fish?

Which of the following is NOT strictly a freshwater community?

Which of the following does NOT characterize tundra?

Kansas and Pennsylvania are approximately at the same latitude.Yet why are the potential natural communities in Kansas mostly grassland and in Pennsylvania mostly temperate forest?

List the biome distribution starting at the northern most latitude and moving south.

The early explorers used sailing ships,which were blown by the major winds; therefore,Columbus and other sailors generally traveled from Europe to North America by the mid-latitude westerlies,and returned to Europe by the southern easterlies near the equator.