BIO 225 EXAM 2 QUESTIONS AND ANSWERS
the growing follicle - CORRECT ANSWER✅✅during the follicular phase, which of the following secretes
estradiol?
vivipary - CORRECT ANSWER✅✅a human fetus developing inside of the womb and then being born is
an example of what kind of egg development strategy?
a. ovo-vivipary
b. ovipary
c. vivipary
ovipary - CORRECT ANSWER✅✅an egg being laid and developing outside of the mother's body is an
example of what kind of egg development strategy?
a. ovo-vivipary
b. ovipary
c. vivipary
ova-vivipary - CORRECT ANSWER✅✅an egg being laid inside the mother's body then developing and
hatching inside the mother's body is an example of what kind of egg development strategy?
a. ovo-vivipary
b. ovipary
c. vivipary
simultaneous hermaphrodite - CORRECT ANSWER✅✅an organism that has the capacity to produce
both egg and sperm at the same time
serial hermaphrodite - CORRECT ANSWER✅✅an organism that has the ability to change its sex in
response to the environment
spermatogenesis - CORRECT ANSWER✅✅the sertoli cells are involved in what biological process?
,Which of the following does a blastocyst implant on? - CORRECT ANSWER✅✅the endometrium
all of the above - CORRECT ANSWER✅✅Which of the following animals produces prolactin?
a. frogs
b. humans
c. cats
d. all of the above
True - CORRECT ANSWER✅✅True or False: Prolactin is found in ALL vertebrates.
true - CORRECT ANSWER✅✅True or False: in sexual reproduction, the two parents contribute nearly
equal amounts of genetic material.
anterior pituitary gland - CORRECT ANSWER✅✅What area of the brain produces Luteinizing Hormone
(LH)?
estrous cycle - CORRECT ANSWER✅✅In what cycle does sexual receptivity coincide with a specific
phase of the cycle?
1. estrous cycle
2. menstrual cycle - CORRECT ANSWER✅✅What are the two female reproductive/sex cycles?
estrous cycle - CORRECT ANSWER✅✅female sex cycle which relies on waves of estrogen and
progesterone; present in most mammals; sexual receptivity occurs in waves/ periods of being "in heat";
uterine tissue loss is minimal
menstrual cycle - CORRECT ANSWER✅✅female sex cycle which sexual receptivity occurs in many
phases throughout the cycle; uterine tissue loss is substantial; present in only some primates
cholesterol - CORRECT ANSWER✅✅What are reproductive steroid hormones derived from?
, progesterone - CORRECT ANSWER✅✅In the menstrual cycle, what hormone gradually increases during
the luteal phase?
oxytocin - CORRECT ANSWER✅✅Which hormone is involved in parent/child bonding and milk let
down?
leydig cells - CORRECT ANSWER✅✅These cells produce testosterone; found in the seminiferous tubule
progesterone - CORRECT ANSWER✅✅The purpose of this female reproductive hormone is to maintain
the thickened lining of the uterus.
prolactin - CORRECT ANSWER✅✅Which female reproductive hormone increases mammary gland mass
and ensures biosynthetic machinery in place; controls milk production
follicular phase - CORRECT ANSWER✅✅What part of the menstrual cycle is the endometrium typically
shed in?
a. corpus luteum - CORRECT ANSWER✅✅Which of the following secretes estrogen and progesterone in
the first trimester of pregnancy?
a. corpus luteum
b. placenta
c. the trophoblast
follicular phase - CORRECT ANSWER✅✅What phase of the menstrual cycle associated with follicular
growth?
progesterone and estrogen - CORRECT ANSWER✅✅Many forms of birth control increase the levels of
hormones in the body, tricking the body into thinking it is always pregnant. Which hormones are these?
the growing follicle - CORRECT ANSWER✅✅during the follicular phase, which of the following secretes
estradiol?
vivipary - CORRECT ANSWER✅✅a human fetus developing inside of the womb and then being born is
an example of what kind of egg development strategy?
a. ovo-vivipary
b. ovipary
c. vivipary
ovipary - CORRECT ANSWER✅✅an egg being laid and developing outside of the mother's body is an
example of what kind of egg development strategy?
a. ovo-vivipary
b. ovipary
c. vivipary
ova-vivipary - CORRECT ANSWER✅✅an egg being laid inside the mother's body then developing and
hatching inside the mother's body is an example of what kind of egg development strategy?
a. ovo-vivipary
b. ovipary
c. vivipary
simultaneous hermaphrodite - CORRECT ANSWER✅✅an organism that has the capacity to produce
both egg and sperm at the same time
serial hermaphrodite - CORRECT ANSWER✅✅an organism that has the ability to change its sex in
response to the environment
spermatogenesis - CORRECT ANSWER✅✅the sertoli cells are involved in what biological process?
,Which of the following does a blastocyst implant on? - CORRECT ANSWER✅✅the endometrium
all of the above - CORRECT ANSWER✅✅Which of the following animals produces prolactin?
a. frogs
b. humans
c. cats
d. all of the above
True - CORRECT ANSWER✅✅True or False: Prolactin is found in ALL vertebrates.
true - CORRECT ANSWER✅✅True or False: in sexual reproduction, the two parents contribute nearly
equal amounts of genetic material.
anterior pituitary gland - CORRECT ANSWER✅✅What area of the brain produces Luteinizing Hormone
(LH)?
estrous cycle - CORRECT ANSWER✅✅In what cycle does sexual receptivity coincide with a specific
phase of the cycle?
1. estrous cycle
2. menstrual cycle - CORRECT ANSWER✅✅What are the two female reproductive/sex cycles?
estrous cycle - CORRECT ANSWER✅✅female sex cycle which relies on waves of estrogen and
progesterone; present in most mammals; sexual receptivity occurs in waves/ periods of being "in heat";
uterine tissue loss is minimal
menstrual cycle - CORRECT ANSWER✅✅female sex cycle which sexual receptivity occurs in many
phases throughout the cycle; uterine tissue loss is substantial; present in only some primates
cholesterol - CORRECT ANSWER✅✅What are reproductive steroid hormones derived from?
, progesterone - CORRECT ANSWER✅✅In the menstrual cycle, what hormone gradually increases during
the luteal phase?
oxytocin - CORRECT ANSWER✅✅Which hormone is involved in parent/child bonding and milk let
down?
leydig cells - CORRECT ANSWER✅✅These cells produce testosterone; found in the seminiferous tubule
progesterone - CORRECT ANSWER✅✅The purpose of this female reproductive hormone is to maintain
the thickened lining of the uterus.
prolactin - CORRECT ANSWER✅✅Which female reproductive hormone increases mammary gland mass
and ensures biosynthetic machinery in place; controls milk production
follicular phase - CORRECT ANSWER✅✅What part of the menstrual cycle is the endometrium typically
shed in?
a. corpus luteum - CORRECT ANSWER✅✅Which of the following secretes estrogen and progesterone in
the first trimester of pregnancy?
a. corpus luteum
b. placenta
c. the trophoblast
follicular phase - CORRECT ANSWER✅✅What phase of the menstrual cycle associated with follicular
growth?
progesterone and estrogen - CORRECT ANSWER✅✅Many forms of birth control increase the levels of
hormones in the body, tricking the body into thinking it is always pregnant. Which hormones are these?
