Question 1

Mammalian sperm mature inside the

Accepted Answer

A)  Seminal vesicles 
B)  Ejaculatory duct 
C)  Vas deferens 
D)  Epididymis 
A)  Seminal vesicles 
B)  Ejaculatory duct 
C)  Vas deferens 
D)  Epididymis

Question 2

Fish and amphibians tend to have less complex reproductive systems than some reptiles,birds and mammals. Why do you think this might be the case?

Accepted Answer

There are a few reasons why fish and amp

Question 3

Detail the sequence of events that lead a human male embryo with a Y chromosome in its cells to differentiate into normal male anatomy.

Accepted Answer

The sequence of events that lead a human

Question 4

Milk production in humans is triggered in breasts after several days of ____ and ____ production by the ____.

Accepted Answer

A)  estrogen, testosterone, ovaries. 
B)  prolactin, human placental lactogen, hypothalamus. 
C)  prolactin, human placental lactogen, anterior pituitary. 
D)  oxytocin, estrogen, hypothalamus. 
E)  oxytocin, androgen, anterior pituitary. 
A)  estrogen, testosterone, ovaries. 
B)  prolactin, human placental lactogen, hypothalamus. 
C)  prolactin, human placental lactogen, anterior pituitary. 
D)  oxytocin, estrogen, hypothalamus. 
E)  oxytocin, androgen, anterior pituitary.

Question 5

Offspring produced by asexual reproduction that all have the same genotype are called

Accepted Answer

A)  germ cells. 
B)  buds. 
C)  clones. 
D)  gonads. 
E)  gemmules. 
A)  germ cells. 
B)  buds. 
C)  clones. 
D)  gonads. 
E)  gemmules.

Question 6

Male athletes who consider taking synthetic steroid testosterone hormones to add muscle are warned that this may shrink the testes.Why would this effect occur?

Accepted Answer

A)  this is the natural effect of testosterone; it normally shrinks testes. 
B)  synthetic chemicals act differently than natural hormones. 
C)  a guilt reaction in the brain causes the opposite hormone action. 
D)  testosterone converts to dihydrotestosterone that has the opposite effect. 
E)  the pituitary detects high levels of testosterone in the bloodstream and, not knowing that it is not self-produced, reduces FSH and LH. 
A)  this is the natural effect of testosterone; it normally shrinks testes. 
B)  synthetic chemicals act differently than natural hormones. 
C)  a guilt reaction in the brain causes the opposite hormone action. 
D)  testosterone converts to dihydrotestosterone that has the opposite effect. 
E)  the pituitary detects high levels of testosterone in the bloodstream and, not knowing that it is not self-produced, reduces FSH and LH.

Question 7

Trace the path taken by human sperm cells as they develop and leave the body,providing the identity of each accessory gland that adds fluids to the semen,and the function of those fluids,in the order they are encountered.

Accepted Answer

The path taken by human sperm cells as t

Question 8

Describe the differences between asexual and sexual reproduction,and conditions under which each would be advantageous and disadvantageous.

Accepted Answer

Asexual reproduction is a type of reprod

Question 9

Follicle-stimulating hormone is produced in the

Accepted Answer

A)  ovary. 
B)  uterus. 
C)  pituitary. 
D)  hypothalamus. 
E)  interstitial (leydig) cells. 
A)  ovary. 
B)  uterus. 
C)  pituitary. 
D)  hypothalamus. 
E)  interstitial (leydig) cells.

Question 10

What initiates menstrual flow?

Accepted Answer

A)  the pituitary triggers it. 
B)  luteinizing hormone activity is at its peak. 
C)  estrogen activity is at a peak. 
D)  progesterone production is highest. 
E)  both progesterone and estrogen levels decline to low levels. 
A)  the pituitary triggers it. 
B)  luteinizing hormone activity is at its peak. 
C)  estrogen activity is at a peak. 
D)  progesterone production is highest. 
E)  both progesterone and estrogen levels decline to low levels.

Question 11

By possessing both male and female organs,hermaphrodites

Accepted Answer

A)  are asexual. 
B)  lose all advantages to sexual reproduction. 
C)  gain the ability to mate with any other individual of their species, not just the half that are the opposite sex. 
D)  gain the ability to choose to be either sexual or asexual. 
E)  always have the ability to self-fertilize if no other members of their species are around. 
A)  are asexual. 
B)  lose all advantages to sexual reproduction. 
C)  gain the ability to mate with any other individual of their species, not just the half that are the opposite sex. 
D)  gain the ability to choose to be either sexual or asexual. 
E)  always have the ability to self-fertilize if no other members of their species are around.

Question 12

Which is NOT true about asexual reproduction?

Accepted Answer

A)  There is only one parent 
B)  It is less commonly found among vertebrates 
C)  It can occur by budding or by division and regeneration 
D)  A large number of offspring can be produced in this way in a short time 
E)  It produces variation that allows the species to adapt quickly to changing environmental conditions 
A)  There is only one parent 
B)  It is less commonly found among vertebrates 
C)  It can occur by budding or by division and regeneration 
D)  A large number of offspring can be produced in this way in a short time 
E)  It produces variation that allows the species to adapt quickly to changing environmental conditions

Question 13

In Latin,the root word(s)for "yellow body" is/are

Accepted Answer

A)  Placenta 
B)  Vagina 
C)  Corpus luteum 
D)  Uterus 
E)  Endometrium 
A)  Placenta 
B)  Vagina 
C)  Corpus luteum 
D)  Uterus 
E)  Endometrium

Question 14

Following ovulation,a ruptured follicle

Accepted Answer

A)  Differentiates into the corpus luteum 
B)  Disappears and all of its cells disintegrate 
C)  Passes on as waste material down the oviduct with the egg 
D)  Mends itself and begins the maturation of another egg 
E)  Becomes a part of the epithelial covering of the ovary 
A)  Differentiates into the corpus luteum 
B)  Disappears and all of its cells disintegrate 
C)  Passes on as waste material down the oviduct with the egg 
D)  Mends itself and begins the maturation of another egg 
E)  Becomes a part of the epithelial covering of the ovary

Question 15

After an egg erupts from a follicle,the surrounding tissue that remains to secrete hormones becomes the

Accepted Answer

A)  oocyte. 
B)  stroma. 
C)  corpus luteum. 
D)  primary follicle. 
E)  corpus cavernosum. 
A)  oocyte. 
B)  stroma. 
C)  corpus luteum. 
D)  primary follicle. 
E)  corpus cavernosum.

Question 16

A cross-section through the testes would show

Accepted Answer

A)  Large chambers lined with wiggling sperm 
B)  Small tubules lined with developing sperm 
C)  Flat layers of tissue like pages, lined with developing sperm 
D)  Individual sperm follicles with all future immature sperm present 
E)  None of the choices are correct 
A)  Large chambers lined with wiggling sperm 
B)  Small tubules lined with developing sperm 
C)  Flat layers of tissue like pages, lined with developing sperm 
D)  Individual sperm follicles with all future immature sperm present 
E)  None of the choices are correct

Question 17

Gonads arise from

Accepted Answer

A)  proliferation of the SRY gene. 
B)  genital ridges growing into the coelomic lining on the sides of the hindgut. 
C)  somatic tissues. 
D)  different tissues; testes from mesoderm and ovaries from endoderm. 
E)  a continuous line of meiotic cells. 
A)  proliferation of the SRY gene. 
B)  genital ridges growing into the coelomic lining on the sides of the hindgut. 
C)  somatic tissues. 
D)  different tissues; testes from mesoderm and ovaries from endoderm. 
E)  a continuous line of meiotic cells.

Question 18

What would be associated with animals that produce litters?

Accepted Answer

A)  The uterus would be designed for more implantation sites 
B)  More nipples and mammary gland tissue would be present 
C)  More eggs are triggered to develop than in humans 
D)  There may be a tendency to have identical twins from division of the fertilized egg 
E)  All of the choices would be possible with an animal that regularly produces a litter 
A)  The uterus would be designed for more implantation sites 
B)  More nipples and mammary gland tissue would be present 
C)  More eggs are triggered to develop than in humans 
D)  There may be a tendency to have identical twins from division of the fertilized egg 
E)  All of the choices would be possible with an animal that regularly produces a litter

Question 19

Ovulation usually occurs on the ________ of a 28-day uterine cycle.

Accepted Answer

A)  First day. 
B)  4th day. 
C)  14th day. 
D)  22nd day. 
E)  Last day. 
A)  First day. 
B)  4th day. 
C)  14th day. 
D)  22nd day. 
E)  Last day.

Question 20

Check all of the follow that describe the forms of reproduction found in animals?
sexual reproduction
asexual reproduction
budding
__
binary fission
gemmulation
fragmentation
Animals exhibit a wide variety of forms of reproduction,with the exception being binary fission that is found in bacteria and protozoans,but not in animals.
Hickman - Chapter 07 #96
Chapter 07 The Reproductive Process Summary
Category
# of Questions

Accepted Answer

The answer of Check all of the follow that describe...

Exam 7: The Reproductive Process

Mammalian sperm mature inside the

Fish and amphibians tend to have less complex reproductive systems than some reptiles,birds and mammals. Why do you think this might be the case?

Detail the sequence of events that lead a human male embryo with a Y chromosome in its cells to differentiate into normal male anatomy.

Milk production in humans is triggered in breasts after several days of ____ and ____ production by the ____.

Offspring produced by asexual reproduction that all have the same genotype are called

Male athletes who consider taking synthetic steroid testosterone hormones to add muscle are warned that this may shrink the testes.Why would this effect occur?

Trace the path taken by human sperm cells as they develop and leave the body,providing the identity of each accessory gland that adds fluids to the semen,and the function of those fluids,in the order they are encountered.

Describe the differences between asexual and sexual reproduction,and conditions under which each would be advantageous and disadvantageous.

Follicle-stimulating hormone is produced in the

What initiates menstrual flow?

By possessing both male and female organs,hermaphrodites

Which is NOT true about asexual reproduction?

In Latin,the root word(s)for "yellow body" is/are

Following ovulation,a ruptured follicle

After an egg erupts from a follicle,the surrounding tissue that remains to secrete hormones becomes the

A cross-section through the testes would show

Gonads arise from

What would be associated with animals that produce litters?

Ovulation usually occurs on the ________ of a 28-day uterine cycle.

Life: Biological Principles and the Science of Zoology

The Origin and Chemistry of Life

Cells As Units of Life

Cellular Metabolism

Genetics: a Review

Organic Evolution

Principles of Development

Architectural Pattern of an Animal

Taxonomy and Phylogeny of Animals

Unicellular Eukaryotes

Sponges and Placozoans

Radiate Animals

Acoelomorpha,Platyzoa,and Mesozoa

Polyzoa and Kryptrochozoa

Molluscs

Annelids and Allied Taxa

Smaller Ecdysozoans

Trilobites, Chelicerates, and Myriapods

Crustaceans

Support, Protection, and Movement

Chaetognaths, Echinoderms, and Hemichordates

Chordates

Fishes

Early Tetrapods and Modern Amphibians

Amniote Origins and Nonavian Reptiles

Birds

Mammals

Support, protection, and Movement

Homeostasis: Osmotic Regulation, Excretion, and Temperature Regulation

Homeostasis: Internal Fluids and Respiration

Digestion and Nutrition

Nervous Coordination: Nervous System and Sense Organs

Chemical Coordination: Endocrine System

Immunity

Animal Behavior

Animal Distributions

Animal Ecology

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Milk production in humans is triggered in breasts after several days of and production by the .