modification in structure

[kandarp shah]

guys, i do not have any idea on this questions please help.

1) ) A key innovation is some modification in structure or function that permits a species to exploit the environment in a more efficient or novel way, compared to the ancestral species. Identify a key innovation of an existing species, such as humans. Then describe how that innovation might be the basis of an adaptive radiation in environments of the distant future. ( looked on the internet but as usual couldn't find it.)

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