If angiosperms evolved from some type of gymnosperm, then the group gymnosperms is not natural. Why not?

Question:

If angiosperms evolved from some type of gymnosperm, then the group “gymnosperms” is not natural. Why not? In cladistic terms, an incomplete group is a __________________group.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question
Question Posted: