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Jun 1 '18 at 1:59 comment added Michael_A No worries. Editing to include what you have summarised in your comment would improve the answer.
Jun 1 '18 at 0:01 comment added Hunter Frazier Hi, thanks for having me. He's asking 'is it because we in general lost this ability'. I'm saying 'yes, we as a species have lost this ability due to lack of genetic selection for the trait, although it still likely shows up in some gene pools sporadically'. See definition of vestigial.
May 31 '18 at 8:42 comment added Michael_A Welcome to SE Biology. I think you've only alluded to an answer for the question, which I read as Do we have an ancestral group that lost the ability to control their ear muscles? Your answer concerns why we could have lost the ability to control our ear muscles.
May 31 '18 at 4:53 review First posts
May 31 '18 at 8:56
May 31 '18 at 4:52 history answered Hunter Frazier CC BY-SA 4.0