Ch. 17 - Insectivora Flashcards

1
Q

This eutherian mammal order contains moles and shrews

A

Order Insectivora

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are three areas where most insectivores are found?

A

Ethiopia, Asia, Europe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What percent of insectivores are shrews?

A

70%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

This insectivore family contains the shrews

A

Soricidae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

How do shrews deliver venom to their prey?

A

Through saliva

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What kind of venom do shrews have?

A

Neurotoxin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Shrews lack this skull feature

A

Zygomatic arch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What color are shrew teeth?

A

Red

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What type of incisors do shrews have?

A

Pinching

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Shrews are too small to do this

A

Migrate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What do shrews do to conserve energy in colder months?

A

Enter torpor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

In shrews, this is too small to conserve energy

A

Mass-to-body surface ratio

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

This type of metabolic rate is very high in shrews

A

Mass-specific metabolic rate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Why do shrews need moist habitats?

A

High metabolic water loss

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

In shrews, high metabolic water loss increases this

A

Respiration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the lifespan of a shrew?

A

<1 year

17
Q

What species of shrew is found in Oklahoma?

A

Least shrew

18
Q

What is the scientific name of the least shrew?

A

Cryptotis parvus

19
Q

This Insectivora family includes moles

A

Talpidae

20
Q

Moles lack this feature

A

External ears

21
Q

What type of eyes do moles have?

A

Degenerative

22
Q

What characterizes mole appendages?

A

Short appendages

23
Q

What characterizes mole fur?

A

Bidirectional

24
Q

What characterizes mole noses?

A

Highly enervated

25
Q

What species of mole is found in Oklahoma?

A

Eastern mole

26
Q

What is the scientific name of the eastern mole?

A

Scalopus aquaticus