When you think of marine life, you probably think about scaly fish with gills, but there are a variety of aquatic mammals that breathe air. So hold your breath and dive into the marine mammals quiz!
Question 1 of 10
What's the largest animal on Earth?
Question 2 of 10
What marine mammal is referred to as the "wolf of the sea"?
Question 3 of 10
What do baleen whales lack that other whales have?
Question 4 of 10
What's the longest amount of time that whales can go without breathing?
Question 5 of 10
What are narwhal tusks made of?
Question 6 of 10
What special sense do dolphins and some whales use to hear underwater?
Question 7 of 10
Which body part of a walrus is most useful for hunting?
Question 8 of 10
What's the easiest way to tell the difference between true seals and sea lions?
Question 9 of 10
"Floating gold" is another name for what marine mammal excretion?
Question 10 of 10