Evolution — BIOLOGY STD 12 Science — Question

(i)

Dryopithecus

25 mya

Ape-like, hairy, arms and legs of same length, large brain, ate soft fruits and leaves, walked like gorillas and chimpanzees.

(ii)

Ramapithecus

15 mya

More man-like, walked more erect, teeth like modern man.

(iii)

Australopithecus

2 mya

Fossils found in Tanzania and Ethiopia, man-like primates, 4 feet tall, walked upright, ate fruit, hunted with stone weapons, brain capacity was 400–600 cc.

(iv)

Homo habilis

2 mya

Fossils found in East Africa, first human-like being, brain
capacity 650–800 cc, did not eat meat.

(v)

Homo erectus(Java man)

1.5 mya

Fossils found in Java, brain capacity 900 cc, ate meat.

(vi)

Homo sapiensneanderthalensis(Neanderthal man)

100,000 - 40,000year ago

Fossils found in east and central Asia, brain size 1400 cc, used hides to protect body, buried their dead.

(vii)

Homo sapiens(Modern man)

75,000 - 10,000years ago

Developed cave art, agriculture, started human civilisation.