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Tatu Tatu
wrote...
Posts: 491
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6 years ago
Which of the following is a single-layered, hollow ball of 16 cells?
  a. cleavage
  b. morula
  c. gastrula
  d. zygote
  e. blastula

Question 2

Which stage in development occurs first?
  a. cleavage
  b. morula
  c. gastrula
  d. zygote
  e. blastula
Textbook 
Human Biology

Human Biology


Edition: 10th
Authors:
Read 50 times
2 Replies

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Replies
wrote...
6 years ago
Answer to q. 1

B

Answer to q. 2

D
Tatu Author
wrote...
6 years ago
Exactly what I needed for my quiz Smiling Face with Open Mouth
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