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

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

Which are characteristics of mammals? Check all that apply. internal fertilization-example-1
User Padawin
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2 Answers

5 votes

Answer:

1,4,5

Step-by-step explanation:

User Ieggel
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3 votes

Answer:

1,4,5

Step-by-step explanation:

User SEG
by
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