Question

Short/Long answer type questions
What are the characteristics that have developed in human beings during evolution?

Answer 1

Following are characteristics developed in human beings during evolution:-

• Erect posture.
• Bipedalism means walking upright.
• The reduction in a supraorbital ridge.
• Less prominent chin without a muzzle.
• Development of distinct lumbar curve.
• Development of broad pelvic bones
• Acetabular cavities shifted inside, to give straight posture.
• Increase in size of the cranial cavity.
• Flattening of the face.
• Straightening of the forehead.
• Narrowing of the nose.
• Thinning of jaw bones.
• Reduction in jaw musculature.
• Reduction in size of canines.
• Loss of tail.
• Articulated speech.