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Marina86 [1]
3 years ago
7

Which characteristics do all bony and jawless fish have in common? Check all that apply. backbone swim bladder scales gills bony

skeleton
Biology
2 answers:
irina [24]3 years ago
8 0

Answer:

1) They have a notocorda that serves as support through the back of the fish.

2) Gill bags. These organs are responsible for filtering the oxygen in the water.

3) A pineal eye that is sensitive to light.

4) A cartilaginous skeleton.

Explanation:

Shalnov [3]3 years ago
7 0

Answer:

Gills

swim bladder

scales

Explanation:

i don't know though

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