Ecosystems

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Freshwater Ecosystems- Day 1

Go to mbgnet.net. Under the Freshwater Ecosystems click “Rivers and Streams”. Answer the following questions below on your own paper or type them in a word document. You will have to find your answers throughout the links on the left-hand side of the screen.

1.

How much of the earth do rivers and streams account for?

2.

What is a watershed?

3.

Give an example of a watershed.

4.

How can surface runoff affect the water quality?

5.

Define: surface runoff, infiltration, and water pollution.

6.

Why is surface runoff important to the freshwater ecosystem?

7.

Explain and give examples of pollution that can be identified and those that cannot.

8.

Draw out the path of how a stream becomes a river.

9.

Answer the questions under the section “River Zones”.

10.

What is a dam?

11.

How do dams make hydroelectric power?

Go to mbgnet.net. Under the Freshwater Ecosystems click “Ponds and Lakes”. Answer the following questions below on your own paper or type them in a word document. You will have to find your answers throughout the links on the left-hand side of the screen.

1.

How do rivers and lakes compare?

2.

What is the difference between a pond and lake?

3.

What is pond succession? How does it work?

4.

Draw how an oxbow lake forms over time.

5.

What is algae?

6.

What type of algae do you find in marine environments?

7.

How do algae effect ponds and lakes?

Go to mbgnet.net. Under the Freshwater Ecosystems click “Wetlands”. Answer the following questions below on your own paper or type them in a word document. You will have to find your answers throughout the links on the left-hand side of the screen.

1.

Where do you find wetlands?

2.

When do they usually occur?

3.

What are wetlands?

4.

What is a marsh?

5.

What is a swamp?

6.

What is a bog?

7.

What is the role of wetlands in our ecosystem?

8.

How do wetlands clean water?

9.

How has the view of wetlands changed over time?

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