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Which are characteristics of mammals? Check all that apply. internal fertilization three-chambered heart endothermic highly developed nervous system several nearly hollow bones always live on land
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Which are characteristics of mammals? Check all that apply.

internal fertilization
three-chambered heart
endothermic
highly developed nervous system
several nearly hollow bones
always live on land

User Mircea Grelus
by
4.6k points

2 Answers

6 votes

Answer:

i was looking for the same answer but i can't get one eather

Step-by-step explanation:

User Kimmi Dhingra
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5 votes

Answer:

several hollow bones,endothermic

Step-by-step explanation:

User Bonan
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5.2k points
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