Exam 20: Terrestrial Biomes

Succulents,such as the saguaro cactus (Carnegiea gigantea)found in southern Arizona,southeastern California,northern Mexico,and the Baja Peninsula,are representative vegetation in which biome?

According to MacArthur and Wilson's theory of island biogeography,which of the following is correct regarding the relationship between island isolation and the number of species?

This biome occupies more than one-third of the Earth's land area and is characterized by xerophytic vegetation,low precipitation,and high potential evapotranspiration.

What are the important factors used in defining a biogeographic realm?

Biomes are determined based on

Of all the natural biomes,this one is most modified by human activity.

Trees and shrubs that seasonally lose their leaves are called

Discuss the main concepts of island biogeography.How has it been applied to the formation of biosphere reserves?

This biome is generally located north of the 10°C (50°F)isotherm for the warmest month,such as the extreme northern areas of North America and Russia.

Though New Zealand is relatively close to Australia,its faunal assemblages are quite different.For instance,there are no native marsupials in New Zealand.Which of the following best accounts for these differences?

In which of the following biomes would one likely find wolf,elk,moose,bear,lynx,beaver,wolverine,and a number of migratory birds?

Large woody vines that are rooted in the soil and found in the worlds tropical forests are called

This biome consists of large expanses of xerophytic grassland and scattered trees and shrubs adapted to drought,grazing by large herbivores,and fire.

Though many islands of the Indonesian archipelago are relative close to Australia,the faunal assemblages of these Indonesian islands are quite different from those on Australia.What accounts for the difference?

Which of the following best describes the vegetation of the tropical seasonal forest and scrub biome?

Which of the following best describes an invasive species?

This extensive biome is dominated by evergreen needleleaf forests.

Earth's tallest trees are the

Distinct regions of broadly similar flora and fauna are called

The____ includes 13 protected marine sanctuaries and two marine national monuments.