Question

Which of the following might be a shared derived character that could be used to classify different kinds of mammals (mice, monkeys, deer, bears, cats, etc.)?
a. whether or not they have hair
b. kinds of teeth they possess
c. presence or absence of a tailbone
d. whether or not hey produce milk
e. analogous skeletal structures

Answer 1

Welcome to OpenStudy @eholmberg84 !

Answer 2

B C or E seem most likely @clara.university

Answer 3

Im thinking e

Answer 4

it cant be a or d

Answer 5

I say D

Answer 6

I'd go with D as well.