Which of the following determines whether a zone is photic or aphotic in aquatic ecosystems? A)Distance from land B)Distance from equator C)Water depth D)All of the above

Permafrost is characteristic of which biome? A)Tundra B)Marine C)Desert D)Taiga

Terrestrial biomes are classified based on the types of organisms that develop within them. The organisms that make up a biome share the same type of — A)biosphere. B)ecosystem. C)pioneer community. D)climax community

The layer of frozen soil found in the tundra is called _____? A)Permasoil B)Permafrost C)Permafreeze D)Permadirt

After a community is disrupted by large-scale events, such as forest fires, a new community is established through the process of — A)primary succession. B)secondary succession. C)soil formation. D)None of the abov

A lack of food prevents further growth in a deer population. This is an example of a _____. A)Range of tolerance B)Limiting factor C)Photic zone D)Biome

The biome with the highest diversity is the ______. A)Taiga B)Tundra C)Savanna D)Tropical rainforest

Locations of biomes are usually determined by _______. A)Temperatures and altitude B)Temperatures and precipitation C)Altitude and precipitation D)Soil type and temperature

The annual rainfall is 75-150 cm and the range of temperature is -30°C to 30°C. What type of forest is being described? •A)Tropical rain forest B)Coniferous Forest C)Tundra D)Temperate Deciduous Forest

An ecosystem that is formed where freshwater merges with salt water is ______. A)wetlands B)intertidal zone C)estuary D)marshes

Which of the following might be a limiting factor in an organism’s survival? A)Temperature B)Food availability C)Abundance of predators D)All of the above

A deep sea fisherman catches an ocean fish. This fish, like others of the same species, has no developed eyes. Its habitat is most likely the ______. A)Intertidal zone B)Aphotic zone C)Photic zone D)Zone of intolerance

The kangaroo rat conserves its water and obtains all its from the food it eats. In what ecosystem is the kangaroo rat more likely to live? A)Tropical rain forest B)Taiga C)Desert D)Savanna