Dolphin - Whale Quiz

What is a characteristic feature of marine mammals that differentiates them from fish?

• Cold-blooded

• Lay eggs

• Breathe air

• Have scales

Which of the following is NOT a method used by marine mammals for adapting to harsh ocean conditions?

• Echolocation

• Having large brains

• Developing mammary glands

• Being warm-blooded

What is the function of baleen in some marine mammals?

• To produce sound for communication

• To filter feed on small organisms like krill and plankton

• To navigate through the ocean

• To attack and capture prey

Which of the following marine mammals is known for having a large brain relative to body size and being trainable?

• Baleen whales

• Toothed whales

• Dolphins

• Porpoises

What is echolocation?

• A method of communication between marine mammals

• A process where sound waves are emitted and interpreted to locate objects

• A technique used by marine mammals to stay warm in cold waters

• A way for marine mammals to find their way back to their birthplace

Which of the following is a characteristic of the Order Cetacea, Suborder Mysticeti (baleen whales)?

• They have large brains for their body size

• They use echolocation to find prey

• They have fibrous plates of baleen to sieve prey items

• They are known for their ability to live in freshwater environments

What is a unique feature of the right whales according to the information provided?

• They have short, coarse baleen and a dorsal fin

• They have long, fine baleen and no dorsal fin

• They are the smallest whales in the world

• They are not endangered

What is the approximate distance of the gray whale's annual migration from the coastal Arctic Ocean to Baja California and Mexico?

• 10,000 km

• 22,000 km

• 30,000 km

• 15,000 miles

Which treaty was established to manage whale hunting?

• International Marine Treaty

• Global Whaling Agreement

• International Whaling Commission

• Marine Mammal Protection Act

In what year was the gray whale removed from the endangered species list?

• 1986

• 1993

• 1948

• 1983