Seal Feeding Strategies and Evolution

What is the primary function of the crab eater seal's multicusp teeth?

• To attract mates

• To bite larger prey

• To filter krill from water

• To crush hard shells

How does the leopard seal's feeding strategy differ from the crab eater seal?

• It uses its front teeth for filter feeding

• It only eats krill

• It uses its back teeth for filter feeding and front teeth for larger prey

• It does not filter feed at all

What is the primary feeding method of the elephant seal?

• Filter feeding

• Suction feeding

• Raptorial feeding

• Herbivorous feeding

Which material is baleen in whales made of?

• Keratin

• Calcium

• Cartilage

• Bone

What evolutionary question is raised about the ancestors of baleen whales?

• Whether they lived on land

• Whether they had fins

• Whether they used teeth for filter feeding

• Whether they could fly