Q 01/05

What kind of animal is a dolphin?

A) Amphibians

B) Reptiles

C) Mammals

D) Fish

Answer · why

C) Mammals

Mammals are warm-blooded and feed their babies milk, so a dolphin calf stays beside its mother and nurses for well over a year, while most fish just l...

Q 02/05

In Laguna, Brazil, wild dolphins help people do what?

A) Rescue swimmers

B) Catch fish

C) Tow boats

D) Spot sharks

Answer · why

B) Catch fish

Catch fish: the dolphins herd schools of mullet toward fishermen waiting along the shore and signal when to throw the nets.

Q 03/05

What is the hole on top of a dolphin's head for?

A) Breathing

B) Hearing

C) Seeing behind it

D) Squirting water at fish

Answer · why

A) Breathing

Breathing is what the blowhole is for: it is really a nostril that moved to the top of the head over millions of years, so a dolphin barely has to bre...

Q 04/05

Which canned fish often carries a 'dolphin-safe' label?

A) Salmon

B) Sardines

C) Tuna

D) Mackerel

Answer · why

C) Tuna

Tuna often gather beneath dolphins in the eastern Pacific, so fishing boats used to circle the dolphins with huge nets to reach the fish below; the la...

Q 05/05

What is a dolphin's tail called?

A) A flipper

B) A rudder

C) A paddle

D) A fluke

Answer · why

D) A fluke

A fluke beats up and down to push a dolphin along, while a fish's upright tail swings from side to side, which is an easy way to tell the two apart.