13. Which food chain occur in forest ecosystem?
A. grass - caterpillar - birds
B. grass - mouse - snake
C. grass - rat - lion
D. grass - rabbit - owl
14. Why are coral reefs important?
A. They are tourist attraction.
B. They make the water shallow.
C. They are colorful rock like deposits underwater.
D. They serve as the habitat, hatchery, and nursery of different marine animals.
15. What are the producers in the coral reef ecosystem?
A. corals
B. mangrove
C. algae
D. small fish
Answers & Comments
Answer:
13.)C.
14.)C.
15.)C.
Explanation:
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