Re: evolutionary adapation for speech production


"Ray" <raymondaliasapollyon@xxxxxxxxxxxx> wrote in message news:gcc95e$12ri$1@xxxxxxxxxxxxxxxxxxxxxx
Hi,

Rsearch has shown that some birds and primates produce formants (time-
varying acoustic energy bands) in their vocalizations by manipulating
the supralaryngeal vocal tract, a talent formerly thought to be
uniquely human. Does this constitute an argument against evolutionary
adapation for speech production in the human species?

I'd appreciate your help.

I guess I don't understand the question. To illustrate the reason I am
perplexed, consider this alternate question:

Research has shown that bats and some (now extinct) reptiles are capable
of flying, a talent formerly thought to be uniquely avian. Does this constitute
an argument against evolutionary adaptation for flight in the birds?

.

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