Answer
B.
Work Step by Step
A fits inside B, and hybrids are rarely possible at the level of C. D is itself a product of gene flow, not a unit which participates in that process.
Campbell Biology (11th Edition)
by Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky
Published by
Pearson
ISBN 10:
0-13409-341-0
ISBN 13:
978-0-13409-341-3
Chapter 24 - Test Your Understanding - Level 1 - Knowledge/Comprehension - Page 522: 1
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
