Human Evolution Welcome to your Human Evolution 1. The prehistoric man which lived on Earth during late Pleistocene period was Neanderthal man Peking man Atlantic man Australopithecus2. Which one of the following is not a vestigial part in human beings? Third molar on each side in each jaw Segmental muscles of abdomen Coccyx Finger nails3. During a study session about evolution, one of your fellow students remarks, "The giraffe stretched its neck while reaching for higher leaves; its offspring inherited longer necks as a result". To correct your friend's misconception Overproduction of offspring leads to a struggle for survival Characteristics acquired during an organism's life are not passed on through genes Only favourable adaptations have survival value Spontaneous mutations can result in the appearance of new traits4. The first scientist who proposed his theory of evolution was Wallace Darwin Mendel Lamarck5. The extinct human ancestor who ate only fruits and hunted with stone weapons was Australopithecus Dryopithecus Homo erectus Ramapithecus6. The theory of Natural selection was proposed by Darwin Lamarck Mendel Wallace7. Lamarckism cannot explain Heterophylly Weak muscles in the son of a wrestler Webbed toes in aquatic birds Long, narrow, limbless body of snakes8. The cranial cavity of the modern man was 600-900 c.c 900-1000 c.c 450-650 c.c 1300-1600 c.c9. The extinct human who lived 1,00,000 to 40,000 years ago in Europe, Asia and parts of Africa, with short stature, heavy eye brows, retreating forehead, large jaws with heavy teeth, stocky bodies, a lumbering gait and stooped posture was Ramapithecus Homo habilis Cro-Magnon humans Neanderthal human10. The brain capacity of Homo erectus was about 900 c.c 650 c.c 1200 c.c 1600 c.c11 out of 10Please fill in the comment box below.
