Name Class Date 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