Chapter 7 Aquatic Biomes

Open Ended

What are some unique features you expect to find in aquatic environments that make them different from terrestrial habitats?

Multiple Choice

Why is it important to study different types of aquatic habitats?

• To understand how aquatic life adapts to its environment

• To learn about the history of the ocean

• To know how to swim better

• To find new places for recreation

Multiple Select

Which of the following are included in freshwater ecosystems?

• Ponds

• Lakes

• Streams

• Oceans

Multiple Choice

Which factor mainly determines the types of organisms found in aquatic ecosystems?

• Salinity

• Temperature

• Depth

• Current speed

Fill in the Blank

The three main groups of aquatic organisms are plankton, nekton, and ___.

Multiple Choice

What is the process called when there is an increase in nutrients in a lake, often leading to excessive plant growth?

• Eutrophication

• Photosynthesis

• Sedimentation

• Evaporation

Multiple Choice

What is the term for a lake that has too many nutrients, causing excess plant growth?

• Littoral lake

• Eutrophic lake

• Reservoir lake

• Marsh lake

Multiple Choice

How does runoff affect lakes?

• Reduces plant growth

• Prevents sunlight from entering

• Speeds up eutrophication

• Makes lakes deeper

Multiple Choice

Which of the following is a function of wetlands?

• Filter pollutants

• Increase salinity

• Reduce sunlight

• Create reservoirs

Open Ended

Describe how the terrain a river flows through can affect its characteristics and the organisms living in it.

Multiple Choice

Which law was established to regulate pollutant discharges into U.S. waters and provided wetland protection?

• Clean Water Act of 1972

• Endangered Species Act

• Safe Drinking Water Act

• National Environmental Policy Act

Multiple Choice

Which of the following are adaptations that open-ocean organisms must make to survive in their environment?

• Temperature

• Depth

• Light

• All of the above

Multiple Select

Select all the functions provided by coastal wetlands as mentioned in the slides.

• Habitat provision

• Absorbing floodwaters

• Trapping pollutants/sediments

• Allowing recreation

Open Ended

Explain how coastal wetlands and estuaries contribute to the health of marine ecosystems.

Fill in the Blank

Salt marshes are found in ___ regions, while mangrove swamps are found in ___ regions.

,

Multiple Choice

Why are coral reefs considered highly threatened ecosystems?

• Too much sunlight

• Lack of biodiversity

• They are not nutrient rich

• Pollution, overfishing, climate change

Multiple Choice

How deep does sunlight reach in the ocean?

• 50 m

• 100 m

• 200 m

• 500 m

Multiple Choice

What are some key features that distinguish different types of aquatic habitats?

• Salinity, depth, and temperature

• Color of water and size of fish

• Amount of sunlight and air pressure

• Shape of aquatic animals