What percentage of the Earth's surface is covered by freshwater ecosystems?

Freshwater Ecosystems and Food Webs

Interactive Video
•
Biology
•
6th - 8th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1%
20%
5%
10%
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a type of freshwater ecosystem?
Pond
Lake
Ocean
Stream
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key characteristic of wetlands?
They are always dry.
They have changing water levels.
They have no biodiversity.
They are found only in deserts.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which abiotic factor is NOT typically associated with freshwater ecosystems?
Temperature
Water depth
Salt concentration
Light levels
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an estuary?
A desert oasis
A mountain stream
A river flowing into an ocean
A type of lake
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a major estuary system in the United States?
Amazon River
Chesapeake Bay
Nile Delta
Great Lakes
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a food web, what does an arrow pointing to an organism indicate?
The organism is a producer.
The organism is being eaten.
The organism is a parasite.
The organism is a decomposer.
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