Question Detail
Question
What significant ecological role do algae play in aquatic habitats, as described in the document?
Correct Answer
Option C is the correct answer.
Detailed Explanation
Page 4 explicitly states, "They are the primary producers in all aquatic habitats". This means they form the base of the food web by converting light energy into organic matter.
Hint
Think about the role of photosynthetic organisms at the beginning of a food chain, especially in water.