Caffeine is a compound found in the seeds of
many different plants, such as coffee beans, cola...
Caffeine is a compound found in the seeds of
many different plants, such as coffee beans, cola
nuts, and cacao beans (the source of chocolate).
the presence of this chemical in all three types
of plants suggests that these plants
(1) inherited identical mutations
(2) share a common ancestry
(3) were exposed to the same type of radiation in
the past
(4) were cloned from a caffeine plant
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