Ecosystems: What If Algae Were Removed from a Pond?
Interactive Video
•
Biology, Other, Chemistry, Science
•
4th Grade - University
•
Hard
Wayground Content
FREE Resource
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary source of energy for algae?
Sunlight
Nutrients in water
Heat from the earth
Chemical reactions
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What process do algae use to create energy?
Respiration
Digestion
Fermentation
Photosynthesis
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are algae considered important in ecosystems?
They prevent erosion of riverbanks.
They provide shelter for fish.
They are a main food source for many organisms.
They clean the water by filtering impurities.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do algae contribute to the food chain?
By providing shade in water bodies
By consuming smaller fish
By producing oxygen and sugars
By decomposing dead organisms
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What might happen if algae were removed from an ecosystem?
The ecosystem would become more stable.
The food chain would be disrupted.
There would be an increase in plant growth.
Water levels would rise significantly.
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