Term
|
Definition
| Baleen whales have a special material, called baleen, that hangs from their upper jaw. |
|
|
Term
|
Definition
| Instead, they breathe through a blowhole on the top of their head. |
|
|
Term
|
Definition
| Whales have a thick layer of fa called blubber. |
|
|
Term
|
Definition
| Since water makes things buoyant, it helps support the weight of large whales. |
|
|
Term
|
Definition
| Sound is measured in units called decibels. |
|
|
Term
|
Definition
| Many types of whales were hunted to near extinction. |
|
|
Term
|
Definition
| One of the strangest whales is the narwhal. |
|
|
Term
|
Definition
| Whales usually swim in groups called pods. |
|
|
