PLEASE HELP 12. Skates and rays have skeletons made of _____. 13. The series of dramatic changes in body form in an amphibian's life
cycle is called _____

Relax

Respuesta :

Answer:

pt 1 Cartilage

pt2 Metamorphosis

Explanation:

Answer:

soft, pliable cartilage= 13

Explanation:

Instead of having skeletons made of bone, sharks, rays, and skates have skeletons made of soft, pliable cartilage