Which of these are common to all mammals? Type of reproductive system, brain size, skin or digestive system, heart, lungs or digestive system, number of tolls, blood or kidneys, liver, skeletal structure
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1
blood or kidneys I think
Ang007:
Only get one answer.
A. type of reproductive system, brain size skin
B. Digestive system, heart, lungs
skin
C. Digestive system, number of toes, blood
D. Kidneys, liver, skeletal structure
B.
Answered by
1
All are there.............................
Sorry, I should of asked it this way. So I have to pick A B C or D
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