reproduction

Question 1

Asexual reproduction Benefits

Answer 1

 energy efficient

 most successful in a stable environment

Question 2

Types of Asexual Reproduction

Answer 2

Budding
part of parent’s body grows, detaches
 Fragmentation
 parent’s body breaks into pieces
 each piece can develop into new animal
 Parthenogenesis
 unfertilized egg develops into adult

Question 3

Sexual Reproduction Benefits

Answer 3

genetic variety

 adaptive in unstable, changing environment

Question 4

 Testes (produce

Answer 4

sperm and testosterone)

Question 5

testes are in the ________ and contain ________ _______ where ______________ takes place

Answer 5

scrotum, seminiferous tubules, spermatogenesis (sperm production)

Question 6

(in the testes) Interstitial cells

 secrete_______ and Sertoli cells _____________

Answer 6

testosterone ,nourishes sperm cells

Question 7

 Ejaculation of sperm pathway

Answer 7

seminiferous tubules of the testis
 epididymis
 vas deferens
 ejaculatory duct
 urethra

Question 8

Semen contains serrations from

Answer 8

seminal vesicles and prostate

gland

Question 9

3 columns of erectile tissue

Answer 9

 2 cavernous bodies

 1 spongy body (surrounds urethra)

Question 10

 Head of the sperm consists of the nucleus and a cap ______ containing
________ that help the sperm penetratethe egg

Answer 10

(acrosome). enzymes

Question 11

Ovaries produce

Answer 11

gametes
 steroid hormones estrogen and
progesterone

Question 12

Fertilization takes place in

Answer 12

oviducts

uterine tubes

Question 13

Endometrium

Answer 13

epithelial lining of uterus

 thickens each month for possible pregnancy

Question 14

Cervix

Answer 14

 lower part of uterus

 extends into the vagina

Question 15

Vulva

Answer 15

 labia majora
 labia minora
 vestibule of the vagina
 clitoris
 mons pubis

Question 16

prolactin stimulates _______

 oxytocin stimulates ____________ Estrogen stimulates _________

Answer 16

milk production, ejection of milk from

alveoli into ducts, development of endometrium

Question 17

(Oogenesis) Follicle consists of

Answer 17

 a primary oocyte

 granulosa cells surrounding it

Question 18

primary oocyte undergoes first meiotic

division, giving rise to

Answer 18

secondary oocyte and

a polar body

Question 19

Corpus luteum

Answer 19

 a temporary endocrine gland
 develops from part of follicle remaining in
ovary

Question 20

Without Fertilization

 Corpus luteum

Answer 20

degenerates

Question 21

Human chorionic gonadotropin (hCG)

Answer 21

secreted by membranes around embryo

 maintains the corpus luteum

Question 22

Early Human Development ceavage

 takes place

Answer 22

s embryo is moved down the

oviduct

Question 23

Early Human Development  Blastocyst develops in

Answer 23

the uterus

Question 24

The Placenta derives from

Answer 24

embryonic chorion and maternal tissue

Question 25

First 2 to 3 months of pregnancy corpus luteum

Answer 25

secretes large amounts of
estrogen and progesterone needed to
maintain pregnancy

Question 26

Parturition is

Answer 26

The birth process
 Regulated by hormones
 estrogen
 oxytocin
 prostaglandins

Question 27

Labor
 Divided into three stages
 Baby is delivered during the

Answer 27

2nd stage