Multiple Choice
When does a zygote become a multicellular creature?
A) at fertilization
B) when cleavage begins
C) when organs begin to form
D) when the heart begins beating
E) at birth
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q1: Implantation occurs approximately<br>A) one day after fertilization.<br>B)
Q2: A pregnant woman who smokes risks<br>A) delivering
Q3: In the following list of developmental events,
Q4: An embryo develops from the<br>A) blastomere.<br>B) gastrula.<br>C)
Q5: An agent that can cause birth defects
Q7: The embryonic period ends by which week
Q8: An embryo with one X and one
Q10: The cavity between the body wall and
Q48: After birth, which hormone causes the uterus
Q70: The female hormones that participate in milk