Marine Science 1- Chapter 13/14 Flashcard

Front

What is the intertidal zone?

Back

A narrow fringe along the shoreline between high and low tides.

Front

What is the role of bacteria in saltmarshes?

Back

Breaking down decaying matter.

Front

What adaptation do many organisms have to pump oxygen-rich water to them?

Back

Siphons.

Front

What is the role of bioturbators in mudflats?

Back

They mix the sediment.

Front

Where do polychaetes and clams appear on the beach?

Back

Lower on the beach.

Front

Define 'saltmarsh'.

Back

A coastal ecosystem characterized by salt-tolerant plants and periodic flooding.

Front

What is the significance of the intertidal zone for marine life?

Back

It provides a unique habitat with varying conditions, supporting diverse species.

Front

Explain the term 'bioturbation'.

Back

The process by which organisms rework and mix sediment in aquatic environments.

Front

What are gills and their function?

Back

Gills are respiratory organs that allow aquatic animals to extract oxygen from water.

Front

Describe the importance of mudflats in coastal ecosystems.

Back

Mudflats serve as feeding and breeding grounds for various marine species.