miyapooh8615 miyapooh8615

17-04-2018
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Compare and contrast modern jawless fishes with those that lived 500 million years ago

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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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