Exam 19: The Biosphere and Human Effects

Match each description with the correct aquatic ecosystem. -when newly formed, it is deep, clear, few nutrients, and low primary productivity A)lakes B)streams C)estuary D)ocean shores E)coral reefs F)open ocean G)hydrothermal vents

Which way do ocean currents circulate in the northern hemisphere?

Renewable energy sources ____.​

Unrelated species that live in ________ parts of a biome often have _______ traits because they face similar conditions.

Match each description with the correct aquatic ecosystem. -main producers are dinoflagellates A)lakes B)streams C)estuary D)ocean shores E)coral reefs F)open ocean G)hydrothermal vents

Match each description with the correct aquatic ecosystem. -the type of rock present, its depth, and temperature affect species composition along its length A)lakes B)streams C)estuary D)ocean shores E)coral reefs F)open ocean G)hydrothermal vents

Desertification is mainly caused by ____.​

Solar radiation that falls on high latitudes ____.​

What salt-tolerant woody plants have prop roots that help the plant stay upright in soft sediments?​

Matching Match each description with the appropriate biome. Some choices may be used more than once. -biome with the coldest temperatures A)chaparral B)tropical rainforest C)temperate deciduous forest D)boreal forest E)tundra F)desert G)savanna

Which North American biome has mostly disappeared because of extensive farming of wheat and corn?​

Match each description with the correct aquatic ecosystem. -area of greatest species richness A)lakes B)streams C)estuary D)ocean shores E)coral reefs F)open ocean G)hydrothermal vents

The genetic diversity within a species of a given region is called the ____.​

Matching Match each description with the appropriate biome. Some choices may be used more than once. -trees shed their leaves and become dormant in winter A)chaparral B)tropical rainforest C)temperate deciduous forest D)boreal forest E)tundra F)desert G)savanna

Crater Lake in Oregon formed as a result of a(n) ____ about 7,700 years ago.​

What is the main function of the ozone layer?

Match each key concept with its correct description. -plastic pollution A)acid rain B)global climate change C)hole in the ozone layer D)biodiversity hot spot E)greenhouse gas F)desertification G)deforestation H)ecological restoration I)Great Pacific Garbage Patch J)endangered species

Matching Match each description with the appropriate biome. Some choices may be used more than once. -youngest of all the biomes A)chaparral B)tropical rainforest C)temperate deciduous forest D)boreal forest E)tundra F)desert G)savanna

Match each key concept with its correct description. -China and India are the greatest emitters of sulfur dioxide A)acid rain B)global climate change C)hole in the ozone layer D)biodiversity hot spot E)greenhouse gas F)desertification G)deforestation H)ecological restoration I)Great Pacific Garbage Patch J)endangered species

The photos of the Muir Glacier taken in 1941 (left) and 2004 (right) demonstrate the consequences of____.