I am pretty sure its called the "Biological Soup theory"... I hope I helped!
its the circulatory system
Answer:
Jupiter, Saturn, Uranus, Neptune
Explanation:
Jupiter, Saturn, Uranus, Neptune
Answer:
Reptiles have dry, tough skin covered in scales, Reptiles breathe using lungs. Reptiles’ kidneys concentrate urine. Young reptiles develop inside an amniotic egg.
Explanation:
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