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bessieboo97 bessieboo97
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6 years ago
Natural selection acts on
 
  a. alleles
  b. genotypes
  c. phenotypes

Question 2

This structure serves to block more than one sperm from entering the fertilized egg.
 
  a. acrosome
  b. yolk
  c. amnion
  d. fertilization membrane
  e. mitochondria
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wrote...
6 years ago
Answer to q. 1

c

Answer to q. 2

D
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