Ecological Succession and Biomes

Front

What are pioneer species?

Back

Pioneer species are the first organisms to colonize an area and begin the process of ecological succession.

Front

What is primary succession?

Back

Primary succession is the process of ecological change that occurs in an area that has no soil, such as after a volcanic eruption or glacier retreat.

Front

What is the main difference between a tundra biome and a desert biome?

Back

The primary factor that differentiates a tundra biome from a desert biome is precipitation.

Front

What are examples of pioneer species in primary succession?

Back

Examples of pioneer species include mosses and lichens.

Front

Which biome is found more than 60 degrees from the equator?

Back

The tundra biome is found more than 60 degrees from the equator.

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 is ecological succession?

Back

Ecological succession is the process by which ecosystems change and develop over time.

Front

What is secondary succession?

Back

Secondary succession is the process of ecological change that occurs in an area that has soil but has been disturbed, such as after a forest fire.

Front

What role do decomposers play in an ecosystem?

Back

Decomposers break down dead organic material, returning nutrients to the soil and making them available for plants.

Front

What is the climate like in a tundra biome?

Back

The tundra biome has a cold climate, with low temperatures and minimal precipitation.