(i) Darwinian theory of evolution states that as a result of . struggle for existence only those organisms survive which have favourable variations.
(a) Struggle for existence, (b) Natural selection.
(ii) Three characteristics of Neanderthal man are:
(a) Cranial capacity was 1400 cc and lived around 1,00,000-40,000 years back.
(b) Used hide to protect their body.
(c) Buried their dead.