A scientist described two modern-day species as sharing a common ancestor.

What does it mean when two species share a common ancestor?

A. It means that the two species are actually the same species.
B. It means that both species evolved from one species that lived in the past.
C. It means that the two species share all the same traits.
D. It means that one of the species evolved from the other species.



Answer :

Final answer:

When two species share a common ancestor, it means they evolved from one species in the past, showcasing a shared genetic heritage and diversification over time.


Explanation:

When two species share a common ancestor, it means that both species evolved from one species that lived in the past. This indicates that they have a shared genetic heritage and have undergone diversification over time. Traits that were present in the ancestral population and passed down are known as homologous traits.


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