Hominid Skulls and changing overtime

    Skulls and volume of brain/number of teeth Skull1: 530 mL/32 teeth Skull2: 1200 mL/32 teeth Skull3: 400 mL/32 teeth Skull4: (human skull) 1400 mL/32 teeth Skull 5: 1000 mL/32 teeth Skull 6: 1450 mL/32 teeth Skull 7: 500 mL/32 teeth Skull 8: 250 mL/32 teeth 1. What is the significance of different brain sizes between the hominid skull? 2. Why did this characteristic of number of teeth between the hominid skulls not changed? 3. Why is it incorrect to say that modern humans have evolved from chimpanzees?      

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