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Yoshi Yoshi
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9 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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GeoExpGeoExp
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9 years ago
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Yoshi Author
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#2
9 years ago
Thank you Happy Dummy
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#3
9 years ago
A pleasure to help. Good luck Grinning Face
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