Human Evolution Welcome to your Human Evolution 1. The first scientist who proposed his theory of evolution was Mendel Darwin Wallace Lamarck2. The theory of Natural selection was proposed by Mendel Lamarck Darwin Wallace3. Lamarckism cannot explain Webbed toes in aquatic birds Heterophylly Long, narrow, limbless body of snakes Weak muscles in the son of a wrestler4. The brain capacity of Homo erectus was about 1600 c.c 900 c.c 650 c.c 1200 c.c5. 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 Only favourable adaptations have survival value Overproduction of offspring leads to a struggle for survival Spontaneous mutations can result in the appearance of new traits Characteristics acquired during an organism's life are not passed on through genes6. The prehistoric man which lived on Earth during late Pleistocene period was Atlantic man Australopithecus Peking man Neanderthal man7. The extinct human ancestor who ate only fruits and hunted with stone weapons was Dryopithecus Australopithecus Ramapithecus Homo erectus8. The cranial cavity of the modern man was 1300-1600 c.c 900-1000 c.c 600-900 c.c 450-650 c.c9. Which one of the following is not a vestigial part in human beings? Coccyx Third molar on each side in each jaw Segmental muscles of abdomen Finger nails10. 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 Neanderthal human Cro-Magnon humans Ramapithecus Homo habilis11 out of 10Please fill in the comment box below.
