CH 7 Holt Science Aquatic Biomes

What aquatic biome is characterized by flowing fresh water?

• Lakes/Ponds
• Mangroves Swamps
• Rivers/Streams
• Coral Reefs

Which of the following is considered a wetland?

• Swamps
• Marshes
• Bogs
• All of the above.

Which of the following is the best definition for estuary?

• Narrow band of coastline that exists between high and low tide.
• Areas along the coast where fresh water from rivers mixes with salt water from the ocean.
• Flowing fresh water containing rapids.
• Freshwater aquatic areas that are saturated by water for at least part of the year.

Which brackish watery biome has some areas that are salty, and some areas that are freshwater?

• freshwater
• coral reef
• estuary
• ocean

Which of the following is the best definition for estuary?

• Narrow band of coastline that exists between high and low tide.
• Areas along the coast where fresh water from rivers mixes with salt water from the ocean.
• Flowing fresh water containing rapids.
• Freshwater aquatic areas that are saturated by water for at least part of the year.

_________ is the amount of salt dissolved in water.

• Temperature
• Salinity
• Nutrients
• Pressure

Which biome is pictured below?

• ocean
• freshwater
• coral reef 
• wetland

In which biome do these plants (phytoplankton) not survive?

• freshwater
• coral reef
• ocean
• desert

Estuary water should have 

• less salt than the ocean
• more salt than the ocean
• no salt

What happens as you go deeper in an aquatic biome?

• It gets colder

• it gets colder and darker

• it gets colder, darker and pressure increases

• you get wet