Question 1

Maternal blood and fetal blood are mixed in the placenta.

Accepted Answer

A) True 
 B)False

Question 2

The hormone promotes both mammary gland development and milk production.

Accepted Answer

The answer of The hormone promotes both mammary gland development...

Question 3

The cells that line the inside of the blastopore become the

Accepted Answer

A)  digestive tract. 
B)  skin. 
C)  skeleton. 
D)  muscles. 
E)  nervous system. 
A)  digestive tract. 
B)  skin. 
C)  skeleton. 
D)  muscles. 
E)  nervous system.

Question 4

The muscle and bone tissues of adults are derived from the embryonic tissue layer called the .

Accepted Answer

The answer of The muscle and bone tissues of adults...

Question 5

Human embryos differ from bird embryos in that

Accepted Answer

A)  bird embryos undergo metamorphosis to become sexually mature adults. 
B)  human embryos have no yolk sac. 
C)  bird embryos have an extra membrane, the allantois, that is not found in human embryos. 
D)  human embryos have a yolk sac, but it contains very little yolk. 
E)  human embryos do not undergo cleavage. 
A)  bird embryos undergo metamorphosis to become sexually mature adults. 
B)  human embryos have no yolk sac. 
C)  bird embryos have an extra membrane, the allantois, that is not found in human embryos. 
D)  human embryos have a yolk sac, but it contains very little yolk. 
E)  human embryos do not undergo cleavage.

Question 6

The metamorphosis of a caterpillar into a butterfly is an example of

Accepted Answer

A)  indirect development. 
B)  placental development. 
C)  direct development. 
D)  internal development. 
E)  external development. 
A)  indirect development. 
B)  placental development. 
C)  direct development. 
D)  internal development. 
E)  external development.

Question 7

A is the sexually immature feeding stage of an animal that undergoes indirect development.

Accepted Answer

The answer of A is the sexually immature feeding stage...

Question 8

-Blood cells form from structure

Accepted Answer

A)  1. 
B)  2. 
C)  3. 
D)  4. 
E)  5. 
A)  1. 
B)  2. 
C)  3. 
D)  4. 
E)  5.

Question 9

In blastulas, if cells from an area that would normally become skin are transplanted into an area that would become the nervous system, the transplanted cells will form structures of the nervous system.

Accepted Answer

A) True 
 B)False

Question 10

If the formation of the endoderm does not take place in an embryo, yet the embryo, for whatever reason, continues to develop, which of the following structures will NOT develop?

Accepted Answer

A)  Stomach 
B)  Skin 
C)  Heart 
D)  Kidneys 
E)  Nervous system 
A)  Stomach 
B)  Skin 
C)  Heart 
D)  Kidneys 
E)  Nervous system

Question 11

The blastopore forms during gastrulation.

Accepted Answer

A) True 
 B)False

Question 12

A developing human is considered an embryo after _ weeks.

Accepted Answer

A)  8 
B)  2 
C)  12 
D)  4 
E)  16 
A)  8 
B)  2 
C)  12 
D)  4 
E)  16

Question 13

Cellular differentiation depends on which genes are turned on or expressed in the cell.

Accepted Answer

A) True 
 B)False

Question 14

German measles is a very mild infection, so why is vaccination against German measles required by most colleges?

Accepted Answer

Although German measles is mild in most

Question 15

Labor and delivery are an example of a feedback loop.

Accepted Answer

The answer of Labor and delivery are an example of...

Question 16

During mammalian development, a

Accepted Answer

A)  morula becomes gastrula. 
B)  gastrula becomes a morula. 
C)  zygote becomes a blastula. 
D)  blastula becomes a zygote. 
E)  morula becomes a blastula. 
A)  morula becomes gastrula. 
B)  gastrula becomes a morula. 
C)  zygote becomes a blastula. 
D)  blastula becomes a zygote. 
E)  morula becomes a blastula.

Question 17

How do undifferentiated cells "know" what to become?

Accepted Answer

Interactions among neighboring

Question 18

The process through which a human embryo develops into an adult is called metamorphosis.

Accepted Answer

A) True 
 B)False

Question 19

During the embryonic stage, a hollow ball of cells is known as a

Accepted Answer

A)  gastrula. 
B)  larva. 
C)  morula. 
D)  chorion. 
E)  blastula. 
A)  gastrula. 
B)  larva. 
C)  morula. 
D)  chorion. 
E)  blastula.

Question 20

An embryo was exposed to a chemical early in its development. At birth, there is chromosomal damage to the circulatory system linked to the chemical exposure. What other organ systems should be examined for the same type of damage?

Accepted Answer

The muscular and cir

Exam 43: Animal Development

Maternal blood and fetal blood are mixed in the placenta.

The hormone promotes both mammary gland development and milk production.

The cells that line the inside of the blastopore become the

The muscle and bone tissues of adults are derived from the embryonic tissue layer called the .

Human embryos differ from bird embryos in that

The metamorphosis of a caterpillar into a butterfly is an example of

A is the sexually immature feeding stage of an animal that undergoes indirect development.

-Blood cells form from structure

In blastulas, if cells from an area that would normally become skin are transplanted into an area that would become the nervous system, the transplanted cells will form structures of the nervous system.

If the formation of the endoderm does not take place in an embryo, yet the embryo, for whatever reason, continues to develop, which of the following structures will NOT develop?

The blastopore forms during gastrulation.

A developing human is considered an embryo after _ weeks.

Cellular differentiation depends on which genes are turned on or expressed in the cell.

German measles is a very mild infection, so why is vaccination against German measles required by most colleges?

Labor and delivery are an example of a feedback loop.

During mammalian development, a

How do undifferentiated cells "know" what to become?

The process through which a human embryo develops into an adult is called metamorphosis.

During the embryonic stage, a hollow ball of cells is known as a

An embryo was exposed to a chemical early in its development. At birth, there is chromosomal damage to the circulatory system linked to the chemical exposure. What other organ systems should be examined for the same type of damage?

An Introduction to Life on Earth

Atoms, Molecules, and Life

Biological Molecules

Cell Structure and Function

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

Cellular Reproduction

Meiosis: the Basis of Sexual Reproduction

Patterns of Inheritance

Dna: the Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amid Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity II: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

Energy Flow and Nutrient Cycling in Ecosystems

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Plant Anatomy and Nutrient Transport

Plant Reproduction and Development

Plant Responses to the Environment

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