mating behaviour

Question 1

When is reproductive behaviour programmed?

Answer 1

PRENATAL DEVELOPMENT

Question 2

When does sex differentiation occur?

Answer 2

during embryogenesis

Question 3

Small amounts of estradiol in the brain result in …….

Answer 3

feminization

Question 4

What prevents estradiol from entering the brain?

Answer 4

Alpha-fetoprotein

Question 5

High concentration of estradiol in the brain results in

Answer 5

Defeminisation and masculinization

Question 6

Which hormone is responsible for signs of sexual receptivity

Answer 6

Oestrogens

Question 7

…….. injection restores sexual aggressiveness in castrated males

Answer 7

Testosterone or estradiol

Question 8

Which senses initiate mating behavior

Answer 8

Olfaction(smell) , vision, audition, tactility(feel)

Question 9

Which part of the animal controlls reproductive behavior

Answer 9

CNS

Question 10

What is the primary purpose of mating behavior

Answer 10

Copulation

Question 11

Name the 3 things that regulate mating behavior

Answer 11

Hormones, senses and environment

Question 12

Name and describe the 3 phases of reproductive behavior in the female:

Answer 12

1) Attractivity: signals to attract males and includes posture, vocalization and pheromones.
2) Proceptivity: behavior that stimulates males to copulate.
3) Receptivity: Copulation behavior of females to ensure insemination.

Question 13

Name the 3 stages of reproductive behavior in the male:

Answer 13

Precopulary stage, copulary stage and post copulatory stage.

Question 14

Name the sequence that takes place during the precopulary stage of male reproductive behavior.

Answer 14

search for sexual partner
courtship
sexual arousal
erection
penile protrusion

Question 15

What happens when the penis gets erect?

Answer 15

the arterial bloodflow increases
dilation of the corporal sinusoids
restricted venous outflow
elevated intrapenile pressure
relaxation of the retractor penile muscle

Question 16

What sequence happens during the copulatory stage in male reproductive behavior

Answer 16

mounting
intromission
ejaculation

Question 17

Name the major steps in ejaculation

Answer 17

1) intromission
2) sensory stimulation of the glans penis
3) sudden and powerful contraction of urethralis, bulbourethral and ischiocavernosus muscles
4) Expulsion of semen.

Question 18

What is the sequence for the post copulatory behavior in males?

Answer 18

Dismount
refractory period
memory

Question 19

Name 2 ways in which libido can be maintained

Answer 19

1) A balanced diet, no over or under feeding

2) Maintain good health

Question 20

How can you enhance reproductive behaviour

Answer 20

1) introducing novel stimulus animals

2) changing stimulus settings

Question 21

What is the refractory period before a second ejaculation called?

Answer 21

Post copulatory stage

Question 22

What influences the length of time for refractory period( sexual exhaustion) ?

Answer 22

age, species, sexual rest before copulation

Question 23

Why study mating behaviour

Answer 23

Propagation of species