which-one-of-the-following-character-s-is-are-found-al-all-chordatesa-mammary-gl

Question

Which one of the following characteristics are found in all chordates:

Accepted Answer

A notochord and a dorsal, hollow nerve cord and gill pouches

Answer

Mammary glands and notochord

Answer

Endoskeleton with skull, notochord, and hollow nerve cord

Answer

Hair, Mammary glands, and viviparity