Worksheet on Introduction to Ocean Creatures

1. Oceans are full of small plants like plankton. What is the primary role of plankton in the ocean system?

a) They build coral reefs
b) They make more plants
c) They give sunshine
d) They feed many other animals

2. The ocean is full of different kinds of animals. Which of the following is found in the ocean?

a)

b)

c)

d)

3. Animals live in different kinds of places. Which of the following is the home of dolphins?

a)

b)

c)

d)

4. Humans use their legs to go from one place to another. What do fishes use out of the following to move?

a) Legs
b) Feathers
c) Fins
d) Paws

5. Many animals can be found underwater along with fish. Which of the following animals is not found underwater?

a)

b)

c)

d)

6. Lily went to the beach with her friends. She saw a sea creature which has the shape of a star. Which of the following is the correct name of the creature?

a) Dolphin
b) Shark
c) Starfish
d) Octopus

7. There are two types of aquatic life, one living in freshwater and one that lives in marine water. Which of the following is a marine animal?

a)

b)

c)

d)

8. Lucas spotted a seahorse holding onto the tail of another fish. Why do seahorses hold on to other fish?

a) To drink water
b) To eat their food
c) To get the sunshine
d) To move around easily

9. The ocean is full of different kinds of things. Which of the following, when mixed with ocean water, can harm the creatures in it?

a)

b)

c)

d)

10. There are animals called mammals that also live in water. Which of the following is a mammal which lives underwater?

a)

b)

c)

d)