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Zoeyismycat Zoeyismycat
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6 years ago
Planktonic organisms often have needle-like structures that ________.
 
  A) are used as a defense mechanism
  B) are used as paddles to catch ocean currents
  C) increase density
  D) prevent sinking
  E) serve as a skeleton to support the diatom
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skalassskalass
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6 years ago
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Zoeyismycat Author
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6 years ago
this is exactly what I needed
hpascoe
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Yesterday
Thanks
ezsancheezy
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2 hours ago
Correct Slight Smile TY
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