Name the group of animals whose ancestors were related to the earliest chordates. what are two ways that bony fishes differ from ancient jawless fishes? ( answer as soon as ) (60 points) biology

1 - Echinoderms. Echinoderms started appearing in the Cambrian period, which clearly indicates that they had ancestors related to the earliest chordates.

2 - Jawless fish differed greatly in anatomy from bony fish, since their lifestyle was different. Jawless fish also appeard way earlier than bony and cartilaginous fish.

Hope it helped,

BioTeacher101

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