Early Explorers Such as Darwin, Wallace, and Humboldt Analyzed Species

Multiple Choice

Early explorers such as Darwin, Wallace, and Humboldt analyzed species diversity along their journeys by comparing each region's diversity with the species diversity

A) found by earlier explorers.
B) on their home continent of Europe.
C) found by other explorers of the same time.
D) at different longitudes around the world.
E) at different areas within the same latitude.