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How does a human embryo develop?
Lesson Review
Match each term in Column B with its description in Column A. Write the letter
of the correct term in the space provided.
Column B
Column A
__________ 1. fluid-filled sac that surrounds an embryo
a. fetus
__________ 2. term used to describe an embryo 8 weeks after fertilization
b. umbilical cord
__________ 3. organ through which an embryo receives nourishment and
gets rid of wastes.
c. amnion
__________ 4. term used to describe a developing human organism up
until 8 weeks of pregnancy
d. placenta
e. embryo
__________ 5. structure that connects the embryo to the placenta
Skill Challenge
Skills: identifying, relating concepts
Label the diagram of the developing fetus in the spaces provided. Use these
labels: amnion, fetus, umbilical cord, placenta, and uterus.
1.
__________________________________
2.
__________________________________
3.
__________________________________
4.
__________________________________
5.
__________________________________
Concepts and Challenges in Life Science, Teacher’s Resources CD-ROM
(c) by Pearson Education, Inc./Globe Fearon/Pearson Learning Group. All rights reserved.
Reproduction and Development
Answer Key
How does a human embryo develop?
Lesson Review
1. c 2. a 3. d 4. e 5. b
Skill Challenge
1. placenta 2. amnion 3. umbilical cord
4. uterus 5. fetus
Concepts and Challenges in Life Science, Teacher’s Resources CD-ROM
(c) by Pearson Education, Inc./Globe Fearon/Pearson Learning Group. All rights reserved.
Reproduction and Development
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