Lampreys are jawless fish. Which conclusion about lamprey evolution is supported by the evidence in the diagram?
Lancelet (outgroup)
Lamprey
Vertebral column
Hinged jaws
Bass
Frog
Four limbs
Turtle
Amnion
Leopard
Hair
Lampreys developed after hinged jaws formed
Lampreys once had hinged jaws but lost then during evolution.
Lampreys are invertebrates and could not develop hinged jaws.
Lampreys diverged from other vertebrates before hiiged jaws evolved