Aquatic Ecosystems Exam

Front

What is a delta?

Back

A delta is a landform that forms at the mouth of a river, where it meets a body of water, such as an ocean or lake, and sediment is deposited.

Front

What are emergent plants?

Back

Emergent plants are those that grow in shallow water and extend above the surface, often found in wetlands and ponds.

Front

What is a transition zone in a river?

Back

The transition zone is the area where a river moves from a mountainous region to a flatter area, often characterized by changes in flow and sediment.

Front

What role do decomposers play in an ecosystem?

Back

Decomposers break down dead organic matter, recycling nutrients back into the ecosystem, which supports plant growth.

Front

What are river headwaters?

Back

River headwaters are the source or beginning of a river, typically found in mountainous or elevated areas.

Front

What is an estuary?

Back

An estuary is a coastal area where freshwater from rivers meets and mixes with saltwater from the ocean, creating a unique ecosystem.

Front

What is a coastal lagoon?

Back

A coastal lagoon is a shallow body of water separated from a larger body of water by a barrier, such as a sandbar or coral reef.

Front

What is a tidal flat?

Back

A tidal flat is a coastal wetland that is flooded and drained by the tides, often characterized by mudflats and salt marshes.

Front

What is the significance of wetlands?

Back

Wetlands are crucial for biodiversity, water filtration, flood control, and providing habitat for many species.

Front

How do glaciers affect river formation?

Back

Glaciers shape rivers by eroding land as they move, creating valleys and depositing sediment as they melt.