Echolocation Is a Sense That Relies On

Q4: All tetrapods are:<br>A)Endotherms<br>B)Inhabitants of land<br>C)Air-breathers<br>D)Live-bearers<br>E)Vertebrates except groups

Q5: The distinctive tusks of the walrus are

Q6: Convergent evolution means that:<br>A)Organisms possess similar structures

Q7: We can tell that cetaceans are mammals

Q8: The smallest marine mammal is a:<br>A)Seal<br>B)Fur seal<br>C)Sea

Q10: The spermaceti organ in the head of

Q11: The walrus feeds mostly on:<br>A)Clams<br>B)Squid<br>C)Salmon and other

Q12: Dolphins and other whales are adapted for

Q13: Porpoises can be distinguished from dolphins by

Q14: An example of convergent evolution is:<br>A)Dolphins and