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Homo Habilis-The First Tool Makers:
One of the most important developments in human evolution was the dramatic expansion in brain size which, according to the fossil data available so far, began atwo million years ago. Certain specimens recovered from deposits in East Africa apparently have brain capacities in excess of 650 cm3 and close to 800 cm3. Thesespecimens were taken to represent the first appearance of our om kind and weretermed Homo habilis. The species name Homo habilis, means, literally, handy mHomo habilis walked upright.
The bones of the hand, while displaying many characteristics of modern humans, are somewhat curved in places and more robusthan in modern man, i.e. Homo sapiens. The leg and foot bones have characteristthat are both ape-like and human-like, but overall, they are much closer to those o,nodern humans than to apes. The leg and foot were those of a habitual two-footedanimal. The simultaneous occurrence of Homo habilis fossils and crude flakes anstone tools indicate that they used tools. There is no evidence that this early form, homonids ate meat.
Control of Environment: Control of environment is essential for maintaining good health. Environmental factors which are basic to individual and community health are housing
Explain the Alpha Fetoprotein Screening (AFP) This is a blood test that measures the level of alpha-fetoprotein in the mothers' blood during pregnancy. AFP is a protein normall
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find maximum angle for which the light suffers tir at vertical surface
Observing the phases of the moon Over the time of a lunar month have the children make nightly observations and illustrate drawings of the moon. Start at new moon and continue
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