Glacial periods are characterized by ice sheet _______ in high to middle latitudes.
Answer: expansion
Glacial periods are characterized by ice sheet _______ in high to middle latitudes.
Answer: expansion
Answer: expansion
Glacial periods are a result of _______ climatic conditions.
Glacial periods are a result of _______ climatic conditions.
Answer: cooling
A(n) __________ is a large landmass covered with sheets of ice.
A(n) __________ is a large landmass covered with sheets of ice.
Answer: ice sheet
Ice sheets are an example of ________ glaciers.
Ice sheets are an example of ________ glaciers.
Answer: continental
The Alpine Valley is an example of _______ glaciers.
The Alpine Valley is an example of _______ glaciers.
Answer: mountain
A(n) _________ is a body of ice formed on land and in motion.
A(n) _________ is a body of ice formed on land and in motion.
glacier
The __________ includes all forms of frozen water, including snow, icebergs, ice sheets, and glaciers.
The __________ includes all forms of frozen water, including snow, icebergs, ice sheets, and glaciers.
Answer: cryosphere
Running water, gravity, sediment deposition, wind, coastal waves and currents, and glaciers are all forms of _________________.
Running water, gravity, sediment deposition, wind, coastal waves and currents, and glaciers are all forms of _________________.
Answer: weathering and erosion
What are the three stages of labor?
What are the three stages of labor?
Answer: dilation, expulsion, delivery of placenta
Which hormone plays a key role in inducing labor?
Which hormone plays a key role in inducing labor?
Answer: oxytocin
What are a series of strong, rhythmic contractions of the uterus that brings the birth of a child called?
What are a series of strong, rhythmic contractions of the uterus that brings the birth of a child called?
Answer: labor
What finger-like part of the placenta absorbs nutrients, oxygen, and antibodies from the mother's blood and passes them to the embryo.
What finger-like part of the placenta absorbs nutrients, oxygen, and antibodies from the mother's blood and passes them to the embryo.
Answer: chorionic villi
What is the name of the organ that provides nourishment and oxygen to the embryo and helps dispose metabolic waste?
What is the name of the organ that provides nourishment and oxygen to the embryo and helps dispose metabolic waste?
Answer: placenta
What is the outer embryonic cell layer of a blastocyst called that starts to form part of the placenta?
What is the outer embryonic cell layer of a blastocyst called that starts to form part of the placenta?
Answer: trophoblast
A blastocyst contains an inner cell mass made of _________, which have the potential to give rise to every type of cell in the body.
A blastocyst contains an inner cell mass made of _________, which have the potential to give rise to every type of cell in the body.
Answer: stem cells
Gestation is measured as 40 weeks from the ______ of the last menstrual cycle in female humans.
Gestation is measured as 40 weeks from the ______ of the last menstrual cycle in female humans.
Answer: start
What is the carrying of a developing young within the female reproductive tract called?
What is the carrying of a developing young within the female reproductive tract called?
Answer: gestation (pregnancy)
What is the innermost layer that becomes the lining of the digestive tract during gastrulation called?
What is the innermost layer that becomes the lining of the digestive tract during gastrulation called?
Answer: endoderm
What is the middle layer that forms the heart, kidneys and muscles during gastrulation called?
What is the middle layer that forms the heart, kidneys and muscles during gastrulation called?
Answer: mesoderm
What is the outer layer that forms the nervous system and skin during gastrulation called?
What is the outer layer that forms the nervous system and skin during gastrulation called?
Answer: ectoderm
What occurs about 9 days after conception when the embryo undergoes an organized migration of cells (which result in an ectoderm, mesoderm, and endoderm)?
What occurs about 9 days after conception when the embryo undergoes an organized migration of cells (which result in an ectoderm, mesoderm, and endoderm)?
Answer: gastrulation
What forms 6-7 days after fertilization and consists of a fluid-filled ball with around 100 cells and an inner cell mass?
What forms 6-7 days after fertilization and consists of a fluid-filled ball with around 100 cells and an inner cell mass?
Answer: blastocyst
Development begins with ___________, a series of rapid cell divisions that results in a multicellular ball, but causes no major cellular growth.
Development begins with ___________, a series of rapid cell divisions that results in a multicellular ball, but causes no major cellular growth.
Answer: cleavage
Embryonic development begins with _____________, the union of sperm and egg to form a zygote.
Embryonic development begins with _____________, the union of sperm and egg to form a zygote.
Answer: fertilization
What type of STD cannot be cured, only controlled with medication?
What type of STD cannot be cured, only controlled with medication?
Answer: viral
What is the most common bacterial STD?
What is the most common bacterial STD?
Answer: chlamydia
What is a contagious disease spread by sexual contact caused by bacteria, protozoans, or fungi?
What is a contagious disease spread by sexual contact caused by bacteria, protozoans, or fungi?
Answer: sexual transmitted disease (STD)
Synthetic ______ and ________ tricks brain into thinking you're pregnant and prevents ovulation.
Synthetic ______ and ________ tricks brain into thinking you're pregnant and prevents ovulation.
Answer: estrogen, progesterone
The RU-486 hormonal birth control pill induces ______.
The RU-486 hormonal birth control pill induces ______.
Answer: abortion
This hormonal birth control method is 75% effective at preventing pregnancy when taken within three days of intercourse.
This hormonal birth control method is 75% effective at preventing pregnancy when taken within three days of intercourse.
Answer: morning after pill (MAP)
What type of barrier method contraception involves a sheath usually made of latex that fits over the penis or within the vagina?
What type of barrier method contraception involves a sheath usually made of latex that fits over the penis or within the vagina?
Answer: condom
What type of barrier method contraception involves a dome shaped rubber cap that covers the cervix?
What type of barrier method contraception involves a dome shaped rubber cap that covers the cervix?
Answer: diaphragm
This method of contraception prevents a sperm from meeting an egg.
This method of contraception prevents a sperm from meeting an egg.
Answer: barrier
This type of contraception depends on refraining from intercourse during the days of ovulation.
This type of contraception depends on refraining from intercourse during the days of ovulation.
Answer: rhythm method (natural family planning)
What is it called when the vas deferens are cut?
What is it called when the vas deferens are cut?
Answer: vasectomy
What is it called with oviducts are cut and tied?
What is it called with oviducts are cut and tied?
Answer: tubal ligation
In general, what kind of very reliable surgery prevents sperm from reaching an egg?
In general, what kind of very reliable surgery prevents sperm from reaching an egg?
Answer: sterilization
What is the only totally effective method of contraception?
What is the only totally effective method of contraception?
Answer: abstinence
What is the deliberate prevention of pregnancy called?
What is the deliberate prevention of pregnancy called?
Answer: contraception
What is uterine bleeding caused by the breakdown of the endometrium called?
What is uterine bleeding caused by the breakdown of the endometrium called?
Answer: menstruation
True or false? Both progesterone and estrogen peak to promote thickening of the endometrium.
True or false? Both progesterone and estrogen peak to promote thickening of the endometrium.
Answer: True
What hormone peaks to cause the surge of LH, which then triggers ovulation?
What hormone peaks to cause the surge of LH, which then triggers ovulation?
Answer: estrogen
Do high or low levels of estrogen and progesterone trigger menstruation?
Do high or low levels of estrogen and progesterone trigger menstruation?
Answer: Low
What hormones do the remnant of a follicle excrete?
What hormones do the remnant of a follicle excrete?
Answer: estrogen, progesterone
True or false? Both LH and FSH peak right before ovulation.
True or false? Both LH and FSH peak right before ovulation.
Answer: True
Which hormone peaks at day 13 to trigger ovulation on day 14?
Which hormone peaks at day 13 to trigger ovulation on day 14?
Answer: LH
Which hormone stimulates the follicle to grow?
Which hormone stimulates the follicle to grow?
Answer: FSH
Which part of the brain is controlled by the hypothalamus and releases FSH and LH?
Which part of the brain is controlled by the hypothalamus and releases FSH and LH?
Answer: anterior pituitary
What structure of the brain is the main control center for the female reproductive system?
What structure of the brain is the main control center for the female reproductive system?
Answer: hypothalamus
What cycle of the female reproductive cycle prepares the uterus for possible implantation of an embryo?
What cycle of the female reproductive cycle prepares the uterus for possible implantation of an embryo?
Answer: menstrual
What cycle of the female reproductive cycle controls growth and release of an egg?
What cycle of the female reproductive cycle controls growth and release of an egg?
Answer: ovarian
Sperm are large and motile, while eggs are small and nonmotile.
Sperm are large and motile, while eggs are small and nonmotile.
Answer: False (sperm are small, eggs are larger)
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