15.2 Question Preview (ID: 33991)
Vocabulary.
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What is a derived trait?
a) new feature that had not appeared in common ancestors
b)
c)
d)
In other words, a derived trait i a...
a) trait the current organism has, but the previous one did not have
b)
c)
d)
What is an ancestral trait?
a) more primitive characteristic that appeared in common ancestors
b)
c)
d)
In other words, an ancestral trait is...
a) a trait that you and your ancestors have
b)
c)
d)
What is a homologous structure?
a) s
b)
c)
d)
In other words, a vestigial structure is...
a) structure that was useful in our ancestors but not useful in our current body
b)
c)
d)
What is a vestigial structure?
a) s
b)
c)
d)
What is an analogous structure?
a) structure that has the same function but different construction and was not inherited
b)
c)
d)
s
a) d
b)
c)
d)
s
a) s
b)
c)
d)
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