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worty [1.4K]
3 years ago
6

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 _____
Biology
2 answers:
ella [17]3 years ago
8 0

Answer:

pt 1 Cartilage

pt2 Metamorphosis

Explanation:

Nikolay [14]3 years ago
6 0

Answer:

soft, pliable cartilage= 13

Explanation:

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

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