Seahorses have spinal cords, jaws, and bones, but they do not have lungs. Which of the organisms in the diagram is most closely related to seahorses? A. lamprey B. bullfrog C. perch D. shark

A. lamprey

Explanation:

The seahorse is most closely related to pipefish and seadragons.

answer; /// i believe the name your looking for is called (plaque)or check good luck

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.