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45 votes
45 votes
PLZ HELP ASAP!!!!!! What are the organisms still alive that display some of the earliest vertebrate evolutionary characteristics?

User Rasmus Christensen
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1 Answer

8 votes
8 votes
Hag Fish and Lamprey
Vertebrates are the organism which posses a vertibral column(aka the spine or back bone structure), while the earliest had a head they lacked a spine and jaw, these jawless vertebrae lived 500-600 million years ago. they are the ancestors of bony fish which in time became amphibians and other groups of animals
User LeZuse
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