How has the discovery of the toumai skull affected what some scientists think about hominids and human devolopement

the toumai skull showed that peoples physical  frame had changed over the years  from a life form without much intellectual ability to the development in which the average person has come from

Refute it, showing why it is mistaken—an apparent but not real problem; acknowledge its validity or plausibility, but suggest why on balance it's relatively less important or less likely than what you propose, and thus doesn't overturn it; concede its force and complicate your idea accordingly—restate your thesis in a more exact, qualified, or nuanced way that takes account of the objection, or start a new section in which you consider your topic in light of it. this will work if the counterargument concerns only an aspect of your argument; if it undermines your whole case, you need a new thesis.

Wow this is hard hope you do good and get answrs