biomes

Which biome, because of its climate, has the largest number of species of plants and animals?

• tundra
• desert
• tropical rainforest
• pine forest

Which biome covers most of the land mass near the Earth's equator?

• tundra
• desert
• grassland
• tropical rainforest

One characteristic feature of tundra is that only the surface thaws in the summer and refreezes in the winter, leaving a layer of permanently frozen subsoil.  This characteristic is known as

• glaciation
• permafrost
• crystallization
• soilfrost

Which type of trees is found in a temperate forest?

• deciduous
• evergreen
• ginko
• palm

Which biome receives between 0 to 25 centimeters of rain per year, has a temperature range of 0 to 50 degrees Celsius, has poor soil, and is home to lizards, scorpions, and snakes?

• desert
• mountain
• taiga
• tundra

This biome contains mostly spruce trees and Douglas firs, which are both evergreen.  The winters are long and cold and the summers are short and rainy.  The soil is very rich.  Moose and elk live here.  This biome is classified as a

• taiga
• tundra
• deciduous forest
• temperate forest

The biome known for trees with broad leaves that fall off the trees in the winter.

• Coniferous Forests
• Deciduous Forests
• Deserts
• Tropical Rain Forests

The greatest biodiversity on earth is found in the __________ biome.

• taiga
• grassland
• temperate deciduous forest
• tropical rainforest

What are the key features of the Tundra?

• cold winter, thin acidic soil, evergreen trees
• treeless, permafrost, cold dark winters
• ong cool summers, short dark winters, migrating animals
• many evergreen trees, short moist summers, long snowy winters

Areas defined by their geographical location and ecological similarity are called?

• ecozones
• biotopes
• biomes
• biodomes