It might reasonably have been expected that the adoption of cooking by early humans would not have led to any changes in human digestive anatomy. █████ ████ ███████ █████ ████ ██████ ██ ████ █████ █████ ████ ██ ███████ ███████████ ███ ████████ ██ ███████ ██████ █████ ███
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The authors suggest which one ██ ███ █████████ ██ ███ ██████ ██████████
Human teeth and ████ █████████ █████ ████ █████ █████████ ██ ████ █████ ███████ █████ ████
Too strong. There’s no support for the “only” major reduction in size occuring 100,000 years ago. We know that there are signs of a reduction 100,000 years ago; but we also know that there has been a reduction “over evolutionary time.” So there may be further reduction more recently than 100,000 years ago, and some of these might be major reductions.
Adaptation to cooked ████ ███████ ███ ███████ ██ ██████ ██ ███████ ██ █ █████████ █████
Not supported, because the “high-meat” diet isn’t brought up in P2. It’s brought up in P3 in connection with a discussion of the soft parts of the digestive system. But the question stem asks us what is suggested in the “second paragraph.” In any case, (B) isn’t supported by P3 either because the author doesn’t suggest that humans have difficulty surviving on a high-meat diet. Rather, they have difficulty surviving on a raw-food diet.
The evolution of ███ █████ █████████ ██████ ██ ███ ████ ███████████
This relates to P3. But P2 is about jaw and tooth size, not the human digestive anatomy.
Cooking methods changed ███ ████████ ████ ████████████ █████
Cooking was adopted ██ ██████████████ ███████ █████ █████ ███████████ ██ ███ ████ █████
Not supported, because nothing in P2 suggests that cooking was adopted by different populations of early humans “at the same time.” Although we do know that
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