10) The following diagram shows the relationships among certain types of organisms. The red lines represent a common ancestor that was the first organism to have the trait listed. For example, sea stars do not have spinal cords, but the organisms that/come after (to the right) do have a spinal cord. Based on the diagram, which of the organisms below is most closely related to the bullfrog?
Sharks.
Sea star
Lamprey
Perch
Bullfrog
Gecko
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Water tight egg
Lungs
Jaw
Spinal cord
Bony skeleton