Biomes and Ecosystems Flashcard

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 an ecosystem?

Back

An ecosystem is a community of living organisms interacting with their physical environment.

Front

What is the emergent layer in a rainforest?

Back

The tallest layer that receives the most sunlight.

Front

What characterizes a tundra biome?

Back

Extremely cold, dry climate, characterized by short, cool summers and bitterly cold winters.

Front

Where are boreal forests located?

Back

In the upper regions of the Northern Hemisphere.

Front

What is the understory in a rainforest?

Back

A layer of shorter trees and vines that grows in the shade of a forest canopy.

Front

What is permafrost?

Back

Permanently frozen soil found in the tundra biome climate region.

Front

What is a desert biome?

Back

A biome characterized by low precipitation, extreme temperatures, and sparse vegetation.

Front

What is a grassland biome?

Back

A biome dominated by grasses, with few trees, and characterized by moderate rainfall.

Front

What is a tropical rainforest?

Back

A biome characterized by high rainfall, high humidity, and a diverse range of plant and animal species.