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
C)Water depth
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
B)secondary succession.
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
D)Temperate deciduous forest
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
B)Limiting factor
The changes in communities that take place on a new island would best be described as _____. A)Primary succession B)Secondary succession C)Tertiary succession D)None of the above
A)Primary succession
An ecosystem that is formed where freshwater merges with salt water is ______. A)wetlands B)intertidal zone C)estuary D)marshes
C)estuary
An undersea volcano erupts creating a new island off the coast of South Carolina. Life slowly starts appearing on the island. What species would probably be the 1st to grow and survive?A)maple tree B)lichen C)grasses D)apple tree
B)lichen
The layer of frozen soil found in the tundra is called _____? A)Permasoil B)Permafrost C)Permafreeze D)Permadirt
B)Permafrost
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
D)climax community
The biome with the highest diversity is the ______. A)Taiga B)Tundra C)Savanna D)Tropical rainforest
D)Tropical rainforest
Permafrost is characteristic of which biome? A)Tundra B)Marine C)Desert D)Taiga
A)Tundra
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
C)Desert
Nutrient-poor lakes are described as ______. A)eutrophic B)ootrophic C)omnitrophic D)oligotrophic
D)oligotrophic
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
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
B)Aphotic zone
Locations of biomes are usually determined by _______. A)Temperatures and altitude B)Temperatures and precipitation C)Altitude and precipitation D)Soil type and temperature
B)Temperatures and precipitation
Which area of the lake is dominated by plankton? A)Limnetic zone B)Littoral zone C)Profundal zone D)Aphotic zone
A)Limnetic zone
Which of the following is NOT true of succession? A)It is predictable. B)It is gradual. C)It is orderly. D)It is random.
D)It is random.
The removal of which of the following organisms would be the biggest impact on a marine ecosystem?A)fishes B)shrimp C)plankton D)whale
C)plankton
Certain bacteria are able to thrive in extremely acidic environments where most organisms could not survive. This is an example of different organisms having different — A)tolerances. B)biotic factors. C)abiotic factors. D)None of the above
A)tolerances.
Which of the following would be a pioneer species in a rocky area? A)Insect B)Lichen C)Weed D)Fern
B)Lichen
Which biome consists of coniferous plants and birds that migrate during winter. A)Taiga B)South pole C)Temperate deciduous forest D)Savanna
A)Taiga