3.1 EVOLUTION OF MAN

It helps us understand the development of technology.

It explains the origins and development of human species and societies.

It shows how animals adapt to their environment.

It focuses only on physical changes in humans.

The importance of fossils in understanding history

The theory of evolution by natural selection

The development of modern humans

The study of ancient civilizations

Variation

Heritability

Differential reproductive success

Mutation

Fossils are remains of living organisms, while artifacts are objects made by humans.

Fossils are objects made by humans, while artifacts are remains of living organisms.

Both fossils and artifacts are remains of living organisms.

Both fossils and artifacts are objects made by humans.

Australopithecus Africanus

Homo Habilis

Ardipithecus Ramidus

Homo Erectus

Ardipithecus Kadabba and Ardipithecus Ramidus

Australopithecus Africanus and Australopithecus Afarensis

Homo Habilis and Homo Erectus

Sahelanthropus Tchadensis and Orrorin Tugenensis

Organisms with advantageous traits survive and reproduce more successfully.

All organisms survive regardless of their traits.

Evolution occurs only through sudden changes.

Natural selection does not affect animal behavior.