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Home Q & A Board Biology-Related Homework Help General Biology
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Eye_opener Eye_opener
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6 years ago
The heart, muscles, bones, and blood develop primarily from:
 
  a. ectoderm
  b. mesoderm
  c. endoderm
  d. the placenta
  e. the yolk sac

Question 2

Plants in general require a total of how many essential elements for their growth and survival?
 
  a. 6
  b. 12
  c. 16
  d. 22
  e. 28
Textbook 
Human Biology

Human Biology


Edition: 10th
Authors:
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luckydon4luckydon4
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6 years ago
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Eye_opener Author
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#2
6 years ago
So that's it? I get an expert answer then we move on with our lives? Not too bad Smiling Face with Open Mouth
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