nenelyn02p3zw1u nenelyn02p3zw1u
  • 11-02-2018
  • Biology
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Which trait was most important in the development and advancement of modern fish?

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samanthamunevar
samanthamunevar samanthamunevar
  • 11-02-2018
The most important trait that modern fish had developed was the transformation of their skeleton from cartilage to bones. This was called ossification. Eventually, bony fishes and sharks dominated the waters because their body structure development which helped them as swimmers is advanced compared to earlier fishes. 
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blackshearkid3 blackshearkid3
  • 25-09-2018

It is the lower jaw

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