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psatana8 psatana8
wrote...
Posts: 500
Rep: 0 0
6 years ago
The primary tissue layers are formed in which of the
  following stages?
  a. cleavage
  b. morula
  c. gastrula
  d. zygote
  e. blastula

Question 2

Which stage of development involves initial cellular
  reorganization?
  a. gamete formation
  b. fertilization
  c. gastrulation
  d. organ formation
  e. tissue specialization
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Replies
wrote...
6 years ago
Answer to q. 1

Answer: c

Answer to q. 2

Answer: c
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