What is an ecosystem service provided by coral reefs?
8-1 What is the General Nature of Aquatic Systems?
Question 2
2.
Saltwater covers about __________% of the earth’s surface, while freshwater covers about __________%.
Question 3
3.
Aquatic life zones are classified into two major types. What are they?
Give examples of each.
Question 4
4.
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!)
Question 5
5.
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?
Question 6
6.
Define what is meant by the coastal zone. What types of aquatic systems are included in this zone?
Question 7
7.
What ecosystem and economic services do coastal zones provide?
Question 8
8.
What are the unique conditions that organisms in the intertidal zone must be adapted to withstand? What are some of their adaptations?
Question 9
9.
Coral reefs are being damaged by ocean acidification. Explain how this happens.
Question 10
10.
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
Question 11
11.
What is an upwelling zone?
8-3 How Have Human Activities Affected Marine Ecosystems?
Question 12
12.
List 3 major threats to marine systems (your book lists many):
Question 13
13.
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.
Question 14
14.
Littoral Zone:
Question 15
15.
Limnetic Zone
Question 16
16.
Profundal Zone
Question 17
17.
Benthic Zone
Question 18
18.
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.)
Question 19
19.
Source Zone:
Question 20
20.
Transition Zone:
Question 21
21.
Floodplain Zone:
Question 22
22.
Read the Case Study on p. 181. Explain why the city of New Orleans is sinking.
Question 23
23.
List three examples of inland wetlands.
Question 24
24.
List three ecological services provided by inland wetlands.
8-5 How Have Human Activities Affected Freshwater Ecosystems?
Question 25
25.
Briefly list the four ways humans have affected freshwater ecosystems.