MArine Biology

Estuaries are places where freshwater and saltwater meet.

• True

• False

Intertidal zones are covered with water during low tide.

• True

• False

Waves refer to the movement of the surface of the water.

• True

• False

What is the nickname given to estuaries?

• The deserts of the ocean

• The mountains of the water

• The nurseries of the sea

• The forests of the river

Why is the estuary in trouble?

• Land is being lost by natural processes and man's activities.

• It is not protected by the government.

• The population of animals is too high.

• The alligators are using all the water.

What is the defining difference between the marine, freshwater, and estuary biomes?

• Salinity (dissolved salt)

• Sunlight

• Oxygen

• Amount of Water

Why are grasses and plants important in our bays and estuaries?

• prevent erosion

• help filter and clean water

• provide areas for nesting wildlife

• all of these

Which of these is an accurate representation of our bays and estuaries in Texas?

• 
• 
• 
• 

What are some plants you might find in an estuary?

• 
• 
• 
• 

When salt and fresh water mix, what is the new water substance called?

• Estuarine Water

• Fresh Water
• Salt Water
• Brackish Water