6th Ch. 22: Biomes and Ecosystems

Front

What is a biome?

Back

A biome is a large geographic biotic unit, a major community of plants and animals with similar life forms and environmental conditions.

Front

What characterizes a tropical rain forest?

Back

Warm temperatures and large amounts of rainfall characterize a tropical rain forest.

Front

What is primary succession?

Back

Primary succession is the process of ecological change that occurs in an area where no soil exists, starting from bare rock.

Front

What is a climax community?

Back

A climax community is a stable, mature community that undergoes little change in species composition.

Front

What are the main characteristics of grasslands?

Back

Grasslands are characterized by open spaces with grasses as the dominant vegetation, and they often have few trees.

Front

What is the difference between primary and secondary succession?

Back

Primary succession occurs in lifeless areas without soil, while secondary succession occurs in areas where a disturbance has destroyed an existing community but soil remains.

Front

What type of ecosystem is a pond?

Back

A pond is a shallow body of water that is filled with an abundance of plant and animal life.

Front

What is the role of decomposers in an ecosystem?

Back

Decomposers break down dead organic material, returning nutrients to the soil and helping to recycle matter in the ecosystem.

Front

What is an example of a desert biome?

Back

An example of a desert biome is the Sahara Desert, characterized by low rainfall and extreme temperatures.

Front

What are the main types of biomes?

Back

The main types of biomes include terrestrial biomes (like forests, grasslands, deserts) and aquatic biomes (like freshwater and marine).