Biodiversity and Biomes Flashcard Review

Front

What is an indicator species?

Back

A species whose status provides information on the overall condition of the ecosystem.

Front

What leads to greater stability in ecosystems?

Back

Greater biodiversity.

Front

In which part of the ocean are phytoplankton most abundant?

Back

Ocean (photic zone), because they are buoyant and float in the upper part of the water.

Front

Which of these is NOT a freshwater biome?

Back

Coral reef.

Front

In which biome would you MOST LIKELY find a desert organism?

Back

Desert.

Front

Define biodiversity.

Back

The variety of life in the world or in a particular habitat or ecosystem.

Front

What is a biome?

Back

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

Front

What is the significance of wetlands in an ecosystem?

Back

Wetlands act as natural water filters, provide habitat for wildlife, and help in flood control.

Front

What is the role of keystone species in an ecosystem?

Back

Keystone species have a disproportionately large effect on their environment relative to their abundance.

Front

What is the difference between a food chain and a food web?

Back

A food chain is a linear sequence of organisms through which nutrients and energy pass, while a food web is a complex network of interconnected food chains.