what is a mammal? Flashcards

1
Q

what are prototheria?

A

monotremes (oviparous, cloaca)

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

what are Therians?

A

bear live young - came from post cretaceous

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

what are metatheria?

A

they are marsupials ( pouch and dentition)

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

what are eutheria?

A

mammals with a placenta- birth live young and feed outside

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

what do all mammals have in common?

A

all warm blooded

have hair

produce milk

have a jaw

middle ear bone

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

what is the hair/ fur made out of?

A

keratinous filaments made in follicles

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

why is the hair coloured?

A

camouflage

communication

thermoregulation

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

what are the important parts of the mammal?

A

vertebrae - cervical, thoracic, lumbar, sacral and caudal

there is much conservation but variations lead to increased and decreased mobility

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