L8: Aquatic

Question 1

Two Suborders of Cetacea

Answer 1

Myticeti, Odontoceti

Question 2

Three suborders of Carnivora

Answer 2

Pinnipeda, Ursidae, Mustilelidae

Question 3

Which order of Cetacea has teeth?

Answer 3

Odontoceti

Question 4

Which order of Cetacea has baleen?

Answer 4

Myticeti

Question 5

Which order of Cetacea has a melon and therefore echolocates?

Answer 5

Odontoceti

Question 6

Does the myticeti have an asymmetrical skull?

Answer 6

No, it is symmetrical. They do not have a baleen or echolocate.

Question 7

Which order of Cetacea has paired blow holes (nares)?

Answer 7

Myticeti, odontoceti have single blow hole

Question 8

Are the nares posterior or anterior to the eyes in Myticeti?

Answer 8

Anterior

Question 9

Are the nares posterior or anterior to the eyes in Odontoceti?

Answer 9

Posterior

Question 10

Which cetacea has a complex nasal passage?

Answer 10

Odontoceti

Question 11

Name the 4 families of the suborder Mysticeti.

Answer 11

Balaenidae
Neobalaenidae
Balaenopiteridae
Eschrichtiidae

Question 12

Name the 4 families of the suborder Mysticeti.

Answer 12

Balaenidae
Neobalaenidae
Balaenopiteridae
Eschrichtiidae

Question 13

Name the 7 families of Odontoceti.

Answer 13

Delphinidae
Monodontidae
Phocoenidae
Physeteridae
Platanistidae
Indiidae
Ziphiidae

Question 14

What land mammal is most likely the sister group to the marine mammals?

Answer 14

Hippos

Question 15

Which terrestrial order did the marine mammals most likely evolve from?

Answer 15

Artiodactyla

Question 16

What land mammal is most likely the sister group to the marine mammals?

Answer 16

Hippos

Question 17

What land mammal is most likely the sister group to the marine mammals?

Answer 17

Hippos

Question 18

What group of animals are the pinnipedia?

Answer 18

Seals