Answer:
A
Explanation:
A)Chromosomes assort independently, and crossing-over occurs.
The pollutants in 1970 were the highest since recorded history and are declining steadily.
Divergent evolution is when two different species share the same ancestral origins but have evolved differently whereas convergent evolution is when species with different ancestral origins have developed similar features.
In convergent evolution, two species that are not necessarily closely related develop similar features often as a result of adaptation to similar conditions.
Answer:
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