Ch 6 Ecosystems and Climate

Front

What causes polar regions to be colder than equatorial regions?

Back

Sunlight strikes the polar regions at an angle and spreads out over a much larger area.

Front

Are coral reefs the marine equivalents to tropical rain forests in terms of biodiversity?

Back

True

Front

Where does most photosynthesis occur in the open sea?

Back

In the euphotic zone.

Front

What are marshes, swamps, and prairie potholes examples of?

Back

Inland wetlands.

Front

What is a delta?

Back

An area at the mouth of a river built up by deposited sediment, often containing estuaries and coastal wetlands.

Front

What is the euphotic zone?

Back

The upper layer of a body of water where sunlight is sufficient for photosynthesis.

Front

Define biodiversity.

Back

The variety of life in a particular habitat or ecosystem.

Front

What is an estuary?

Back

A coastal area where freshwater from rivers meets and mixes with saltwater from the ocean.

Front

What role do wetlands play in ecosystems?

Back

Wetlands act as natural water filters, flood buffers, and habitats for diverse species.

Front

What is the difference between marine and freshwater ecosystems?

Back

Marine ecosystems are saltwater environments, while freshwater ecosystems include rivers, lakes, and ponds.