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Home Q & A Board Biology-Related Homework Help General Biology
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jackiemartini09 jackiemartini09
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6 years ago
All major animal lineages were present in the seas by the end of the ________ period.
 
  a. Cambrian
 b. Cretaceous
 c. Quaternary
 d. Carboniferous

Question 2

What is the main difference between a virulent bacteriophage and a temperate bacteriophage?
 
  What will be an ideal response?
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Kayla1Kayla1
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6 years ago
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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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