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APES Chapter 8 Reading Guide -- Aquatic Biodiversity

Last updated over 3 years ago
25 questions

Core Case Study

1

What is an ecosystem service provided by coral reefs?

8-1 What is the General Nature of Aquatic Systems?
1

Saltwater covers about __________% of the earth’s surface, while freshwater covers about __________%.

1

Aquatic life zones are classified into two major types. What are they?
Give examples of each.

1

Using the information on page 169-170, construct a 3-tiered energy pyramid for an aquatic ecosystem. Label each level (ex. producer), list the type of organisms (ex. Zooplankton) and give an example of each (ex. fish.) (Note: the examples provided don’t go together!)

1

What are the key factors determining the types and numbers of organisms found in different areas of the ocean?

8-2 Why Are Marine Aquatic Systems Important?
1

Define what is meant by the coastal zone. What types of aquatic systems are included in this zone?

1

What ecosystem and economic services do coastal zones provide?

1

What are the unique conditions that organisms in the intertidal zone must be adapted to withstand? What are some of their adaptations?

1

Coral reefs are being damaged by ocean acidification. Explain how this happens.

1

The open ocean is divided into 3 vertical zones. Define each zone and give examples of the types of organisms that live there.
  • Euphotic Zone
  • Bathyal Zone
  • Abyssal Zone

1

What is an upwelling zone?

8-3 How Have Human Activities Affected Marine Ecosystems?
1

List 3 major threats to marine systems (your book lists many):

1

What strategies did the Chesapeake Bay Program put in place to save the bay? Do you think the program was successful? Why or why not?

8-4 Why Are Freshwater Ecosystems Important?
Large freshwater lakes are divided into four distinct zones. Define each zone and give examples of the types of organisms that live there.
1

Littoral Zone:

1

Limnetic Zone

1

Profundal Zone

1

Benthic Zone

1

Differentiate between oligotrophic and eutrophic lakes.

The downhill flow of water is divided into 3 distinct zones according to different environmental conditions.
What conditions define each zone?
(Consider rate of flow, oxygen levels, nutrient levels, turbidity, etc.)
1

Source Zone:

1

Transition Zone:

1

Floodplain Zone:

1

Read the Case Study on p. 181. Explain why the city of New Orleans is sinking.

1

List three examples of inland wetlands.

1

List three ecological services provided by inland wetlands.

8-5 How Have Human Activities Affected Freshwater Ecosystems?
1

Briefly list the four ways humans have affected freshwater ecosystems.