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fokkdsn fokkdsn
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Posts: 481
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6 years ago
Which part of a bird's digestive system contains sand and rocks to aid in mechanical digestion?
 
  a. crop
  b. esophagus
  c. gizzard
  d. pharynx
  e. proventriculus

Question 2

Which structure in the earthworm's digestive tract is utilized for food storage?
 
  a. crop
  b. esophagus
  c. gizzard
  d. intestine
  e. mouth
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rimaaazzzrimaaazzz
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6 years ago
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fokkdsn Author
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6 years ago
This is very helpful, my teacher this year is not good
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