| A | B |
|---|
| canids | carnivorous, dog-like animals |
| cetaceans | marine mammals that breathe through a blowhole. |
| echolocation | a process for locating objects by sending out sound waves and listening for their echo |
| flukes | the two halves of a whales's tail that help it to swim |
| marine biologists | scientists who study the plants and animals of the ocean |
| primate | a group of mammals that includes apes and monkeys. |
| sonar | a method for detecting objects, especially underwater, with sound waves |
| species | a set of related living things that share certain characteristics |
