
The anatomical changes that we would expect to see in the given illustration is; D: larger brain cavity; smaller teeth
From the given question, we see that  homo heidelbergensis was a tall, muscular hunter, who used both tools and weapons.
Now, this specie had lower jaw with all the teeth and so were human like. The massive jaw was ape-like. He used tools and fire. The cranial capacity is believed to be about 1300 cc which is intermediate between pithecanthropines and nearnderthals. Â
Thus, we can conclude that the anatomical changes we expect to see are larger brain cavity; smaller teeth.
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