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Catc Catc
wrote...
Posts: 456
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6 years ago
Which developmental stage occurs first?
 
  a. cleavage
  b. fetus
  c. gastrula
  d. zygote
  e. blastula

Question 2

Four of the five answers below are soil contaminants that can be phytoremediated by plants. Select the exception.
 
  a. nitrogen
  b. lead
  c. arsenic
  d. mercury
  e. trichloroethylene
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Replies
wrote...
6 years ago
Answer to q. 1

d

Answer to q. 2

a
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