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Home Q & A Board Biology-Related Homework Help General Biology
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sila sila
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6 years ago
The heart, muscles, bones, and blood develop
  primarily from
  a. ectoderm.
  b. mesoderm.
  c. endoderm.
  d. somatoderm.
  e. the gray crescent.

Question 2

The blastula forms before this stage.
  a. A
  b. B
  c. C
  d. D
  e. E
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bambino131913bambino131913
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6 years ago
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sila Author
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6 years ago
Correct Slight Smile TY
ealvino1610
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Yesterday
Smart ... Thanks!
DragonHeart
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2 hours ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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