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Jkader Jkader
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6 years ago
The presence of a contractile vacuole indicates that a single-celled protist _____.
 
  a. is marine c. is photosynthetic
  b. lives in fresh water d. secretes a toxin

Question 2

Deposits of shells from ancient _____ are mined as chalk and limestone.
 
  a. dinoflagellates c. radiolarians
  b. diatoms d. foraminiferans
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domsantos1998domsantos1998
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6 years ago
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Jkader Author
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6 years ago
All correct
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6 years ago
Happy to help
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