Question 1

One disadvantage of asexual reproduction is

Accepted Answer

A)  there's no need to find a partner to reproduce. 
B)  organisms that are isolated from other organisms can use this method of reproduction. 
C)  there's not much ability to adapt to environmental change. 
D)  organisms that don't move can use this method of reproduction. 
A)  there's no need to find a partner to reproduce. 
B)  organisms that are isolated from other organisms can use this method of reproduction. 
C)  there's not much ability to adapt to environmental change. 
D)  organisms that don't move can use this method of reproduction.

Question 2

Which of these methods of birth control prevents follicle development?

Accepted Answer

A)  diaphragm 
B)  birth control pill 
C)  female condom 
D)  intrauterine device 
A)  diaphragm 
B)  birth control pill 
C)  female condom 
D)  intrauterine device

Question 3

During the menstrual cycle, what is the main source of progesterone in females?

Accepted Answer

A)  placenta 
B)  pituitary gland 
C)  developing follicle 
D)  corpus luteum 
A)  placenta 
B)  pituitary gland 
C)  developing follicle 
D)  corpus luteum

Question 4

Estrogen and progesterone are produced by the

Accepted Answer

A)  endometrium. 
B)  uterus. 
C)  corpus luteum. 
D)  oviduct. 
A)  endometrium. 
B)  uterus. 
C)  corpus luteum. 
D)  oviduct.

Question 5

If a diploid cell with 18 chromosomes undergoes meiosis, the resulting gametes will each have ________ chromosomes.

Accepted Answer

A)  18 
B)  16 
C)  9 
D)  36 
A)  18 
B)  16 
C)  9 
D)  36

Question 6

Label the external and internal components of the male reproductive system.

Accepted Answer

The answer of Label the external and internal components of...

Question 7

Why are the testicles kept outside of the body?

Accepted Answer

A)  They lower the temperature for sperm production. 
B)  The testicles cushion the penis and stop it from hanging too low. 
C)  There's no reason for this. 
D)  Earlier in human evolution, visible testicles helped males to sexually attract females. 
A)  They lower the temperature for sperm production. 
B)  The testicles cushion the penis and stop it from hanging too low. 
C)  There's no reason for this. 
D)  Earlier in human evolution, visible testicles helped males to sexually attract females.

Question 8

A human skin cell is ________, while a human sperm cell is ________.

Accepted Answer

A)  diploid; haploid 
B)  haploid; diploid 
C)  diploid; diploid 
D)  1n; 2n 
A)  diploid; haploid 
B)  haploid; diploid 
C)  diploid; diploid 
D)  1n; 2n

Question 9

You have identified a new single-celled organism in the laboratory and have observed that new daughter cells remain attached to the parent and then break away. You correctly hypothesize that this new organism reproduces by

Accepted Answer

A)  budding. 
B)  binary fission. 
C)  copulation. 
D)  external fertilization. 
A)  budding. 
B)  binary fission. 
C)  copulation. 
D)  external fertilization.

Question 10

Ovulation

Accepted Answer

A)  is the process in males that produces sperm. 
B)  occurs on the first day of the menstrual cycle. 
C)  results in the release of a mature egg. 
D)  occurs in the oviducts. 
A)  is the process in males that produces sperm. 
B)  occurs on the first day of the menstrual cycle. 
C)  results in the release of a mature egg. 
D)  occurs in the oviducts.

Question 11

Which of the following decreases the probability that fertilization will take place?

Accepted Answer

A)  Cervical mucus is less viscous and thinner following ovulation. 
B)  The oviducts contract during ovulation. 
C)  Enzymes are present within the acrosome of sperm. 
D)  The upper vagina is an acidic environment. 
A)  Cervical mucus is less viscous and thinner following ovulation. 
B)  The oviducts contract during ovulation. 
C)  Enzymes are present within the acrosome of sperm. 
D)  The upper vagina is an acidic environment.

One disadvantage of asexual reproduction is

Which of these methods of birth control prevents follicle development?

During the menstrual cycle, what is the main source of progesterone in females?

Estrogen and progesterone are produced by the

If a diploid cell with 18 chromosomes undergoes meiosis, the resulting gametes will each have ________ chromosomes.

Label the external and internal components of the male reproductive system.

Why are the testicles kept outside of the body?

A human skin cell is , while a human sperm cell is .

You have identified a new single-celled organism in the laboratory and have observed that new daughter cells remain attached to the parent and then break away. You correctly hypothesize that this new organism reproduces by

Ovulation

Which of the following decreases the probability that fertilization will take place?

Can Science Cure the Common Cold? Introduction to the Scientific Method

Are We Alone in the Universe? Water, Biochemistry, and Cells

Is It Possible to Supplement Your Way to Better Health?

Fat: How Much is Right for You? Enzymes, Metabolism, and Cellular Respiration

Life in the Greenhouse: Photosynthesis and Global Warming

Cancer: DNA Synthesis, Mitosis, and Meiosis

Are You Only as Smart as Your Genes? Mendelian and Quantitative Genetics

DNA Detective: Complex Patterns of Inheritance and DNA Fingerprinting

Genetically Modified Organisms: Gene Expression, Mutation, and Cloning

Where Did We Come From? The Evidence for Evolution

An Evolving Enemy: Natural Selection

Who Am I? Species and Races

Prospecting for Biological Gold: Biodiversity and Classification

Is the Human Population Too Large? Population Ecology

Conserving Biodiversity: Community and Ecosystem Ecology

Where Do You Live? Climate and Biomes

Organ Donation: Tissues Organs and Organ Systems

Clearing the Air: Respiratory Cardiovascular and Excretory Systems

Vaccinations: Protection and Prevention or Peril? Immune System

Sex Differences and Athleticism: Endocrine Skeletal and Muscular Systems

Attention Deficit Disorder: Brain Structure and Function

Feeding the World: Plant Structure and Growth

Growing a Green Thumb: Plant Physiology

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Exam 21: Is There Something in the Water? Reproductive and Developmental Biology

One disadvantage of asexual reproduction is

Which of these methods of birth control prevents follicle development?

During the menstrual cycle, what is the main source of progesterone in females?

Estrogen and progesterone are produced by the

If a diploid cell with 18 chromosomes undergoes meiosis, the resulting gametes will each have ________ chromosomes.

Label the external and internal components of the male reproductive system.

Why are the testicles kept outside of the body?

A human skin cell is ________, while a human sperm cell is ________.

You have identified a new single-celled organism in the laboratory and have observed that new daughter cells remain attached to the parent and then break away. You correctly hypothesize that this new organism reproduces by

Ovulation

Which of the following decreases the probability that fertilization will take place?

Can Science Cure the Common Cold? Introduction to the Scientific Method

Are We Alone in the Universe? Water, Biochemistry, and Cells

Is It Possible to Supplement Your Way to Better Health?

Fat: How Much is Right for You? Enzymes, Metabolism, and Cellular Respiration

Life in the Greenhouse: Photosynthesis and Global Warming

Cancer: DNA Synthesis, Mitosis, and Meiosis

Are You Only as Smart as Your Genes? Mendelian and Quantitative Genetics

DNA Detective: Complex Patterns of Inheritance and DNA Fingerprinting

Genetically Modified Organisms: Gene Expression, Mutation, and Cloning

Where Did We Come From? The Evidence for Evolution

An Evolving Enemy: Natural Selection

Who Am I? Species and Races

Prospecting for Biological Gold: Biodiversity and Classification

Is the Human Population Too Large? Population Ecology

Conserving Biodiversity: Community and Ecosystem Ecology

Where Do You Live? Climate and Biomes

Organ Donation: Tissues Organs and Organ Systems

Clearing the Air: Respiratory Cardiovascular and Excretory Systems

Vaccinations: Protection and Prevention or Peril? Immune System

Sex Differences and Athleticism: Endocrine Skeletal and Muscular Systems

Attention Deficit Disorder: Brain Structure and Function

Feeding the World: Plant Structure and Growth

Growing a Green Thumb: Plant Physiology

Filters

A human skin cell is , while a human sperm cell is .