Land Biomes

Front

What is a biome?

Back

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

Front

What characterizes a tundra biome?

Back

The tundra biome is characterized by a short growing season, permafrost, and few trees.

Front

How does latitude affect temperature?

Back

As latitude increases, temperature generally decreases.

Front

What is the emergent layer in a rainforest?

Back

The emergent layer is the top layer of the rainforest, where the tallest trees rise above the canopy.

Front

What is primary succession?

Back

Primary succession is the process of ecological change that occurs on newly formed or exposed land, where no soil exists.

Front

What is secondary succession?

Back

Secondary succession is the process of ecological change that occurs in an area where a disturbance has destroyed an existing ecosystem but soil remains.

Front

Why are there few trees in prairies or temperate grasslands?

Back

There are few trees in prairies due to factors such as fire, grazing, and insufficient rainfall.

Front

What is the role of fire in maintaining grassland ecosystems?

Back

Fire helps to control tree and shrub growth, allowing grasses to thrive and maintain the ecosystem.

Front

What are the main types of terrestrial biomes?

Back

The main types of terrestrial biomes include tundra, taiga, temperate forests, tropical rainforests, deserts, and grasslands.

Front

What is the difference between a desert and a grassland biome?

Back

Deserts receive very little precipitation and have sparse vegetation, while grasslands have more rainfall and are dominated by grasses.