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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.
Define the Pons Varolli Look at Figure Situated in front of the cerebellum below the midbrain and above the medulla oblongata, is the pons. It is involved in motor control and
Explain Maximum Tubular Secretory Capacity The maximum rate at which tubules can transport a substance from the blood vessel to the lumen or from the lumen to the blood vessel
REQUIREMENTS 1. Stock register of a science laboratory 2. Loose paper sheets 3. Pen 4. Pencil 5. Rubber
Vaccination: Now let us see how vaccination protects us from disease. We have mentioned above that the W.B.Cs. produce antibodies which neutralise the toxins produced by th
can u explain me about ovaries and testes
scientific name of hipbone
Question 1 What is an index? Explain physician's index with the help of examples 2 How to use the Electronic Medical Record for Prior authorization and SOAP technique 3 G
Explain Hormonal Phase of Pancreatic Secretion Hormonal phase: After food enters from the stomach to the duodenum, pancreatic secretion starts increasing. Two hormones are resp
How do you explain the fact that clay soils which commonly have higher pore space than sandy soils are often more poorly aerated than sandy soils. Clay soils have higher pore s
Granulocyte macrophage colony stimulating factor (GM-CSF): Stem cells obtained from the bone marrow are capable of giving rise to countable colonies of daughter cells in splee
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