Study Guide for
Biology Test on Chapter 32 - Mammals
Please
answer all questions using complete sentences on another piece of paper.
1.
How are
developing young placental mammals nourished?
2.
Which structure regulates breathing and heart rate
in mammals?
3.
A mammal’s
brain differs from the brains of other animals because of its well-developed...?
4.
By evolving specialized jaws and teeth, mammals are able to do what?
5.
The most numerous
order of mammals is...
6.
Into which
three main groups are mammals classified?
7.
Carnivores have
relatively short intestines because …?
8.
Which was the first domesticated animal?
9. Humans, along with most other mammals, are classified in which of the 3 large groups of mammals?
10.
In the 1800s, which animals on the Great Plains of North America were
hunted to near extinction?
11.
What are the characteristics of mammals?
12.
When mammals breathe, which muscle pulls the bottom of the chest cavity
down?
13. To tame, raise, and breed animals for human purposes is known as...?
14.
The mammalian
body plan evolved from that of ...?
15.
Today,
populations of elephants, tigers, lions, and other large mammals are most
threatened by what?
16.
Because mammals
produce body heat, they are??
17.
Descendants of the most primitive mammals are
members of the order
18.
List 4 examples of placental mammals.
19.
Both the reproductive system and urinary system open into a cloaca in
which group of mammals?
20. How
does the backbone of a reptile compare to a mammal’s backbone?
21.
Where do
Monotremes currently live?
22.
List 4 examples
of marsupials.
23.
What do
mammalian kidneys do?
24.
In mammals, the liver transforms nitrogenous wastes into what?
25.
Most newborn mammals feed on mother’s milk produced in the ?
26.
When ancestral mammals evolved a simplified jaw joint, three bones that
were once part of the jaw evolved into what?
27. To protect wildlife, what are people in many countries doing?
28.
Which order
would mammals with the most well developed cerebral cortex be classified into?
29.
Make a chart comparing the 3 groups of mammals.
30.
How are dogs related, and do they have a common ancestor? If so,
what is it?
31.
How can you tell if a mammal is nocturnal?
32.
Define diurnal and nocturnal.
33.
How does a walrus stay warm in the ocean?
34.
How can mammalian skulls help you figure out what the animals they
came from ate?
35.
What mammals do not
give live birth?
36.
Give an example of a mammal whose temperature does not stay
constant (it decreases every night).
Essay questions:
1.
Describe the adaptations that allow some mammals to live in the
water.
2.
Draw a diagram describing the proposed evolutionary history of
vertebrates.
3.
List the characteristics of the 6 (both living and extinct) groups
of vertebrates.
4.
Draw and label a
mammalian heart.
5.
Describe how
mammals are classified into three main groups and give an example of each.
6. Describe how mammals breathe.