Quiz: test your knowledge of the aquatic world

Are you interested in marine plants and animals? Take this quiz to test your knowledge.

1. Which male animal gives birth to its babies?
a. Seahorse
b. Shark
c. Sea cucumber

2. What do bioluminescent marine creatures do?
a. Store light and release it in the dark
b. Reflect light
c. Emit or produce light

3. What’s the largest marine animal?
a. Blue whale
b. Killer whale
c. Walrus

4. In which ocean is the Mariana Trench, the deepest known point in the ocean, located?
a. Atlantic Ocean
b. Pacific Ocean
c. Indian Ocean

How many correct answers did you get?

Answers
1. a. The gestation period of the seahorse is two to three weeks.
2. c. Bioluminescence serves several functions, including camouflage, communication, and attracting prey or sexual partners. For instance, some jellyfish are bioluminescent.
3. a. Blue whales can be 65 to 98 feet long.
4. b. Explorers estimate that it’s over 36,000 feet deep.