Article Questions: "Inside the Womb"
Time. November 11. 2002
Directions: Read through the article, look at the pictures (they are the most important part!), and
answer the questions below.
,
1. At conception, how many cells large were you?
2. At what point in development do the following events occur?
a. Attachment to the wall of the mother's uterus:
b. Nervous system begins to develop:
c. Formation of heart, eyes, and blood vessels:
d. Formation of hands:
e. Formation of eyes:
f. Formation of nostrils:
g. Development of eyes that can sense light:
h. Development of stomach, liver, and esophagus:
i. Formation of kidneys, lungs, and backbone:
j. Brain able to control body temperature, breathing, and intestinal contractions:
k. Baby is drawn into fetal position due to increasing size:
L: Baby emerges from birth canal:
3. Read the section entitled "How they did it" on page 71. What types of equipment did they use to
get the pictures they used in this article?
4. Read the section beginning on page 73, middle column, that begins with "Ironically" through
page 74, first column, first full paragraph. Answer the following questions:
a. How important is the prenatal environment?
b. By what process does the developing baby grow?
c. What does the endoderm become?
d. What does the ectoderm become?
e. What does the mesoderm become?
f. What happens when the ectoderm and mesoderm cells interact?
5. Looking at the pictures, answer the following true or false questions:
a. You once had gills.
b. You once had a tail.
c. You once looked no different from a pig or an elephant in its
early stages of development.
d. You were once smaller than 4mm in size.
e. You at one point had no arms, legs, or head.