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Home Q & A Board Biology-Related Homework Help General Biology
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bklynbeauty86 bklynbeauty86
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6 years ago
The psychoactive drug Ecstasy
  a. relieves anxiety.
  b. sharpens the senses.
  c. produces a mild high.
  d. can kill.
  e. does all of these.

Question 2

All tissues and organs of an adult animal arise from
  three primary tissue layers, or germ layers that form
  in early embryos: __________, __________, and
  __________ into blood. Fill in the blank(s) with the appropriate word(s).
 
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svanschaiksvanschaik
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6 years ago
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bklynbeauty86 Author
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#2
6 years ago
Extremely helpful
wrote...
#3
6 years ago
Cool, thanks for the positive feedback
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