Module 3: Freshwater Ecosystems

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Session 2- Take a dip into the Freshwater Ecosystems

Dear Participants,
Please find below the assignments for Module 3 Session 2. You are requested to submit the answers based on lecture.

Name *

All the questions are compulsory and need to submit it.

Marks are mentioned at the right side of each questions. Total 30 marks.

Three fourth of earth’s surface is covered with water, more than 90 percent of it is in oceans. How much is freshwater on earth? *

4 points

Less than 2 %

2.5 %

4.5 %

3.5 %

Freshwater available for human use is compared to… *

4 points

A bucket of water

A drop of water

A glass of water

A mug of water

Freshwater sources which are flowing such as rivers and streams are known as *

4 points

All of the above

Lentic

Lotic

Aquifers

Groundwater supplies water to wells, springs, rivers and streams… *

4 points

False

True

Name the weed shown in the photo which restricts sunlight from reaching into the photic zone of water body. *

4 points

Prosopis

Lantana

Duckweed

Water Hyacinth

Please mention any three regulating services provided by freshwater ecosystems. *

10 points

Please complete the assignment and submit it before 23 August 2021.

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