2. Which of the following animals belong to the coral reef ecosystem?
|. fishes II. mollusks III. jelly fishes IV. corals
A. I and II
B. I, II, and III
C. I, II, III, IV
D. II and III
3. A mangrove swamps ecosystem is composed of living and nonliving things. Which of the following belongs to the nonliving things or abiotic component?
A. bird B. crabs C. water D. corals
4. What do you call an interactive area of coral reef development containing many individual reefs and associate habitat like a seagrass meadow?
A.coral reef ecosystem
C. rainforest ecosystem
B.mangrove swamps ecosystem
D. fishpond ecosystem
5. What do you call the important part of the coastal and marine ecosystem that includes seagrass and coral reefs? A. swamps B. mangrove C. corals D. ecosystem​