The diagram shows the speciation of finches from different islands in the Galápagos Islands, as observed by Charles Darwin.
Which statement best explains the pattern of biodiversity in the finch population?
a
The finches are at various life stages.
b
The finches migrated from different places.
c
The finches do not have a common ancestor.
d
The finches do not have the same food sources.
c
The finches do not have a common ancestor.