The Biomes and Biodiversity

A biome is a large groups of ecosystems. There are two kinds of biomes

• terrestrial and aquatic biomes

• marine and grasslands biomes

• temperate and rainforest biomes

Aquatic biomes are a major component of the biosphere. It can occur in either

• grasslands or mountains

• saltwater or freshwater

• estuaries or coral reefs

Marine biomes contain saltwater. The type of organisms present is dependent on sunlight. More diversity of organisms present in

• aphotic zone

• photic zone

• green zone

A biome that includes all the lands in the biosphere is called

• marine biome

• aquatic biome

• grassland biome

• terrestrial biome

All of the following most likely affect climate of an area EXCEPT

• latitude

• temperature

• photosynthesis

• precipitation

Biodiversity means

• a group of same species in a community.

• the species removed from an ecosystem.

• the variety and number of species in an area

• the introduction of nonnative species in an ecosystem.

Which biome has mostly high temperature and heavy rainfall?

• temperate rainforest

• tropical rainforest

• savanna

• desert

The most arid regions with high temperatures and little vegetation due to scarce rainfall is

• boreal forests

• savannas

• deserts

• tundras

The treeless area in the Arctic region because soil is often frozen is

• tundra

• desert

• savanna

• deciduous forest

This biome is usually warmer and wetter than tundra and are are found in most of Canada, Europe and Asia.

• taiga

• desert

• boreal forest

• temperate forest