asked 176k views
16 votes
Which shared derived characteristic do reptiles, marsupials, and dogs have?

Amniotic egg
Fur
Retractable claws
Shearing teeth

2 Answers

8 votes
The third one because
answered
User Bluebrother
by
8.2k points
6 votes
Retractable claws as all of options above have in common are the claws
answered
User Hynek
by
6.7k points
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