What I Know
Choose the letter of the best answer. Write the chosen letter on a separate sheet of
paper.
1. Which among the living organisms live in estuary?
A. mangroves, sea grass, fish, crabs
B. algae, fish, chicken, snail
C. bacteria, planktons, shellfish, cat
D. alligator, snake, snail, crabs
2. Which among the living organisms live in intertidal zone?
A. fish, swan, crabs, shrimp
B. limpet, cat, duck, mussels
C. green algae, sponges, anemones, fish
D. sea stars, fish, dog, cow​