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Home Q & A Board Biology-Related Homework Help General Biology
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MapHarr MapHarr
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6 years ago
Gastrulation producesa(n) ____.
 
  a. hollow balls of cells
  b. embryo with germ layers
  c. solid balls of cells
  d. haploid cells
  e. yolk sac

Question 2

Mammals nourish their embryos by means of a ____.
 
  a. placenta
  b. uterus
  c. yolk sac
  d. blastocyst
  e. amnion
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ajx47ajx47
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6 years ago
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MapHarr Author
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#2
6 years ago
Just confirmed the same answer from my friend, thanks
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