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

It's Gills because there not human and use gills to breathe in water

21 stacks

step-by-step explanation:

divide 630/30

21 stacks

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the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands