Question

Why Neanderthal man and modern man belong to two distinct species?

Answer 1

Neanderthal man and modern man exhibit different characteristics, and hence, they are considered two distinct species. Below are the characteristic differences between Neanderthal man and modern man:

Characteristics	Neanderthal man	Modern man
Locomotion	Absolute bipedalism	Bipedal locomotion
Head and forehead	Large head, broad, flat and sloping forehead	Upright head, skull on the top of the vertebral column, steep forehead
Brow ridges	Prominent brow ridges	Reduced brow ridges
Chin	No chin	Well developed and prominent chin
Hair on body	Less hair on the body	Prominent hair on limbs
Cranial capacity	1450 cm3	1450 to 1600 cm3