Chapter 6 Flashcards

(21 cards)

1
Q

Females exhibit greater selectivity than males in

A

mating-partner choice

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

During breeding seasons, male vertebrates are capable of

A

sexual behavior all the time

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

During breeding seasons, male vertebrates are capable of sexual behavior all the time.In contrast, females exhibit

A

great fluctuations in sexual behavior

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

Estrus and anestrus

A

Female can be both estrus and anestrus : when ready to mate female is estrus, the rest of the time the female is anestrus, estrus females are more attracted to males than when they are anestrus: estrus spend more time near and loocking for males than anestrus

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

Females find males more attractive when in

A

estrus

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

Males find females in __ more attractive than __ females

A

Males find females in estrus more attractive than anestrus females

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

Males prefer to mount

A

estrus females

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

Only __ females will permit mating to take place

A

estrus

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

__ are involved in expression of estrous behaviour in rats and dogs

A

the ovaries

Ovaries are the main source of estrogen + progesterone: impact on periphery but also on CNS

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

in females, hormones associated with __ maturation affect nervous system underlying mating behaviour

A

Hormones associated with ova maturation affect nervous system underlying mating behavior
(Hormones associated with ova maturation affect nervous system underlying mating behavior)

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

length estrous cycle

A

4 or 5 days

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

estrous cycle can be divided into 3 stages:

A

Diestrus (48 h)
Vaginal Proestrus (12 h)
Vaginal Estrous (36h)

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

length of diestrous component of estrous cycle

A

about 48h

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

what happens during diestrus 1

A

follicles are developped

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

what characterizes Diestrus 2:

A

Fully developed egg with granulosa and theca cells: but not released

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

what is the length of vaginal proestrus

17
Q

what happens during vaginal proestrous

A

This is when ovulation occurs and egg is released into fallopian tube

18
Q

what is the length of vaginal estrous

19
Q

what happens during vaginal estrous

A

The corpea luteum (remainder of follicle after egg was released)
This structure can further develop if there is further copulation
If there is no copulation will degrade
Corpus luteum is important in secreting progesterons and plays a role into implantation of egg into uterine wall

20
Q

The female is ready to mate at which stage of estrous cycle

A

vaginal estrous