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Home Q & A Board Biology-Related Homework Help General Biology
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michaela40 michaela40
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6 years ago
Which stage of development results in an early embryo with two or three germ layers?
 
  a. fertilization
 b. organ formation
 c. cleavage
 d. gastrulation

Question 2

What respiratory structure produces sound?
 
  a. Pharynx
 b. Nasal cavity
 c. Trachea
 d. Epiglottis
 e. Larynx
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AllisonHope3AllisonHope3
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6 years ago
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michaela40 Author
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#2
6 years ago
Good timing, thanks!
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