Lecture 2a- Diversity of modern mammals

Question 1

What kingdom do mammals belong in?

Answer 1

Animalia

Question 2

What phylum do mammals belong in?

Answer 2

Chordata

Question 3

What class do mammals belong in?

Answer 3

Mammalia

Question 4

Why do we not know how many species there are? (3 reasons)

Answer 4

1) More species being subject to genetic analysis
2) New species being discovered
3) Expeditions - old species rediscovered and new discovered

Question 5

How many new mammals species approx. between 1993 and 2006?

Answer 5

408

Question 6

What are the two subclasses of mammalia?

Answer 6

Protetheria and theria

Question 7

How many orders does protetheria, the subclass of mammalia, have?

Answer 7

1 (Monotremata)

Question 8

What are the two infra classes of Theria?

Answer 8

Metatheria (marsupial) and eutheria (placentalia)

Question 9

How many orders does theria, the subclass of mammalia, have?

Answer 9

27

Question 10

How many orders does mammalia have?

Answer 10

28

Question 11

How many orders does the infra class metatheria have?

Answer 11

7

Question 12

How many orders does the infra class eutheria have?

Answer 12

20

Question 13

How many approximate species of mammal?

Answer 13

5096