Dolphins and Porpoises

How are the teeth of dolphins and porpoises different?

• They are not different/ Both animals have similar teeth.

• The dolphin's teeth are sharp and cone-shaped, but the porpoise's teeth are spade shaped and flatter.

• The porpoise's teeth are sharp and cone-shaped, but the dolphin's teeth are spade shaped and flatter.

Which of the following are eaten by both porpoises and dolphins?

• fish

• squid

• crustaceans

• all of the above

Which of the following statements are true about dolphins and porpoises?

• They are both fish.

• They are both mammals.

• The dolphin is a fish and the porpoise is a mammal.

• The dolphin is a mammal and the porpoise is a fish.

How does echolocation help dolphins and porpoises??

• It helps them find food.

• It helps them avoid predators.

• Both answers are true.

How do dolphins and porpoises get air?

• They need to come up to the surface of the water and breathe through their mouths.

• They need to come up to the surface of the water and breathe through their blowholes.

• They breathe under the water by using gills.

• They can breathe under the water using their blowholes.

Which is true about dolphins and porpoises?

• They are both warm-blooded animals.

• They are both cold-blooded animals.

• Dolphins are warm-blooded and porpoises are cold-blooded.

• Dolphins are cold-blooded and porpoises are warm-blooded.

Which animal is shorter?

• dolphins

• porpoises

• Both are the same.

Which animal is more friendly to people?

• dolphins

• porpoises

• Both are the same.

Which animals live in a large pods?

• dolphins

• porpoises

• both animals

Which is true about the way these animals have babies?

• Dolphins and porpoises lay eggs and then hatch them.

• Dolphins and porpoises give birth to little tiny porpoises and dolphins.

• A porpoise is a baby dolphin.