miyapooh8615 miyapooh8615
  • 17-04-2018
  • History
contestada

Compare and contrast modern jawless fishes with those that lived 500 million years ago

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imthatsnailp5hw34
imthatsnailp5hw34 imthatsnailp5hw34
  • 17-04-2018
well now they have jaws?
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amongthestars1236 amongthestars1236
  • 05-02-2020

Answer:

Explanation:

Similarities: they lack of jaws and paired fins, and they both have cartilaginous skeletons.

Difference: The early ones were covered with heavy and bony scales.  

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