Answer
Following can be some of the factors:
a. Ethnicity
b. Language
c. Color
d. Region
e. Social interaction
Work Step by Step
See answer.
Biology 2010 Student Edition
by Miller, Kenneth R.; Levine, Joseph S.
Published by
Prentice Hall
ISBN 10:
9780133669510
ISBN 13:
978-0-13366-951-0
Chapter 6, Humans in the Biosphere - 6.3 - Biodiversity - 6.3 Assessment - Page 172: 1a
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