Question 1

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 2

Polar bodies are best characterized as

Accepted Answer

A) follicles that did not become the graafian follicle. 
B) one haploid nucleus from the first meiotic division and one haploid nucleus from the second meiotic division. 
C) two haploid nuclei from the first meiotic division. 
D) two haploid nuclei from the second meiotic division. 
E) three haploid nuclei;one from the second division and one from the first that then divided again to form two more. 
A) follicles that did not become the graafian follicle. 
B) one haploid nucleus from the first meiotic division and one haploid nucleus from the second meiotic division. 
C) two haploid nuclei from the first meiotic division. 
D) two haploid nuclei from the second meiotic division. 
E) three haploid nuclei;one from the second division and one from the first that then divided again to form two more.

Question 3

Check all of the following that describe the forms of reproduction found in animals.
____ sexual reproduction
____ asexual reproduction
____ budding
____ binary fission
____ gemmulation
____ fragmentation

Accepted Answer

__X__ sexual reproduction
__X_

Question 4

Which is NOT true about reproduction?

Accepted Answer

A) Gametes are produced by meiosis and may be specialized as eggs or sperm 
B) Only the germ line reproduces by mitosis 
C) Asexual reproduction is most advantageous when the environment is not changing 
D) A hermaphrodite produces both male and female gametes in different specialized gonads 
E) Somatic cells serve to provide support and protection for the germ line 
A) Gametes are produced by meiosis and may be specialized as eggs or sperm 
B) Only the germ line reproduces by mitosis 
C) Asexual reproduction is most advantageous when the environment is not changing 
D) A hermaphrodite produces both male and female gametes in different specialized gonads 
E) Somatic cells serve to provide support and protection for the germ line

Question 5

Which of the following are primary sex organs?

Accepted Answer

A) Penis and vagina 
B) Scrotum and uterus 
C) Vas deferens and oviducts 
D) Testes and ovaries 
E) All of the choices are primary sex organs 
A) Penis and vagina 
B) Scrotum and uterus 
C) Vas deferens and oviducts 
D) Testes and ovaries 
E) All of the choices are primary sex organs

Question 6

Describe the path taken by a human egg cell as it develops and implants on the wall of the uterus.

Accepted Answer

The path taken by a human egg cell as it

Question 7

During oogenesis,the egg grows in size by accumulating _______ reserves to support future growth and development after fertilization.

Accepted Answer

A) hormone 
B) sugar 
C) water 
D) mitochondrial 
E) yolk 
A) hormone 
B) sugar 
C) water 
D) mitochondrial 
E) yolk

Question 8

Animals that have both male and female organs in the same individual are called

Accepted Answer

A) asexual. 
B) bisexual. 
C) monoecious. 
D) dioecious. 
E) parthenogenetic. 
A) asexual. 
B) bisexual. 
C) monoecious. 
D) dioecious. 
E) parthenogenetic.

Question 9

Which is NOT part of the human female external genitalia?

Accepted Answer

A) hymen. 
B) clitoris. 
C) labia minora. 
D) labia majora. 
E) uterus. 
A) hymen. 
B) clitoris. 
C) labia minora. 
D) labia majora. 
E) uterus.

Question 10

The acrosome functions to

Accepted Answer

A) contain enzymes that help a sperm head "digest" its way into an egg. 
B) increase the sperm's motility. 
C) direct the sperm to the egg. 
D) transport the chromosomes out of the egg. 
E) store energy for swimming to the egg. 
A) contain enzymes that help a sperm head "digest" its way into an egg. 
B) increase the sperm's motility. 
C) direct the sperm to the egg. 
D) transport the chromosomes out of the egg. 
E) store energy for swimming to the egg.

Question 11

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 12

What is the critical difference between gemmulation and fragmentation?

Accepted Answer

A) Gemmulation is sexual and fragmentation is asexual 
B) Gemmulation is haploid and fragmentation is diploid 
C) If sponges fragment,it is called gemmulation 
D) Fragmentation involves providing a resistant layer of cells for a capsule;gemmulation is merely breaking off chunks of tissue to grow a new organism 
E) Gemmulation involves providing a resistant layer of cells for a capsule;fragmentation is merely breaking off chunks of tissue to grow a new organism 
A) Gemmulation is sexual and fragmentation is asexual 
B) Gemmulation is haploid and fragmentation is diploid 
C) If sponges fragment,it is called gemmulation 
D) Fragmentation involves providing a resistant layer of cells for a capsule;gemmulation is merely breaking off chunks of tissue to grow a new organism 
E) Gemmulation involves providing a resistant layer of cells for a capsule;fragmentation is merely breaking off chunks of tissue to grow a new organism

Question 13

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 14

Compare meiotic and ameiotic parthenogenesis and provide an example of each.

Accepted Answer

Meiotic parthenogenesis occurs when an e

Question 15

Days 6-13 of a 28-day uterine cycle are considered the

Accepted Answer

A) secretory phase. 
B) menstrual period. 
C) proliferative phase. 
D) ovulation period. 
E) fertilization period. 
A) secretory phase. 
B) menstrual period. 
C) proliferative phase. 
D) ovulation period. 
E) fertilization period.

Question 16

The final product of spermatogenesis is four

Accepted Answer

A) sertoli (sustentacular)cells. 
B) primary oocytes. 
C) spermatids. 
D) primary spermatocytes. 
E) spermatogonia. 
A) sertoli (sustentacular)cells. 
B) primary oocytes. 
C) spermatids. 
D) primary spermatocytes. 
E) spermatogonia.

Question 17

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 18

The luteal phase occurs

Accepted Answer

A) on day 15. 
B) during days 6 - 13. 
C) on day 14. 
D) during days 15 - 28. 
E) anytime through the cycle. 
A) on day 15. 
B) during days 6 - 13. 
C) on day 14. 
D) during days 15 - 28. 
E) anytime through the cycle.

Question 19

Birds never developed an internal placental system but are confined to laying eggs.Consider the many physiological burdens and limitations imposed by bearing live young,and then consider all of the adaptations of birds for flight.Given that birds arose from dinosaur-like ancestors that also laid eggs,but birds managed to evolve a high metabolism and other specialized features,discuss one physiological reason that probably limits birds from ever evolving viviparity.

Accepted Answer

One physiological reason that likely lim

Question 20

Which association concerning structures in the human male is NOT correct?

Accepted Answer

A) Testes-produce sperm 
B) Testes-produce testosterone 
C) Vas deferens-carries urine 
D) Prostate gland-seminal fluid 
E) Urethra-conducts sperm 
A) Testes-produce sperm 
B) Testes-produce testosterone 
C) Vas deferens-carries urine 
D) Prostate gland-seminal fluid 
E) Urethra-conducts sperm

Exam 7: The Reproductive Process

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?

Polar bodies are best characterized as

Check all of the following that describe the forms of reproduction found in animals. ____ sexual reproduction ____ asexual reproduction ____ budding ____ binary fission ____ gemmulation ____ fragmentation

Which is NOT true about reproduction?

Which of the following are primary sex organs?

Describe the path taken by a human egg cell as it develops and implants on the wall of the uterus.

During oogenesis,the egg grows in size by accumulating _______ reserves to support future growth and development after fertilization.

Animals that have both male and female organs in the same individual are called

Which is NOT part of the human female external genitalia?

The acrosome functions to

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

What is the critical difference between gemmulation and fragmentation?

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

Compare meiotic and ameiotic parthenogenesis and provide an example of each.

Days 6-13 of a 28-day uterine cycle are considered the

The final product of spermatogenesis is four

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

The luteal phase occurs

Which association concerning structures in the human male is NOT correct?

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

Architectual Pattern of an Animal

Taxonomy and Phylogeny of Animals

Unicellular Eukaryotes

Sponges and Placozoans

Cnidarians and Ctenophores

Acoelomorpha, Platyzoa, and Mesozoa

Polyzoa and Kryptrochozoa

Molluscs

Annelids and Allied Taxa

Smaller Ecdysozoans

Trilobites, Chelicerates, and Myriapods

Crustaceans

Hexapods

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 Distribution

Animal Ecology

Filters

Check all of the following that describe the forms of reproduction found in animals. sexual reproduction asexual reproduction budding binary fission gemmulation fragmentation