Homo habilis, Biology

Assignment Help:

Two important human fossils that throw much light on the human ancestory were discovered in .Olduvai beds in Africa and in central Java respectively. Although the development of bipedalism and the resultant fieeing of hands are being regarded as the first happening towards the evolution of the genus Homo, subsequent human evolution essentially depended on the dramatic expansion in the brain size. This development in brain size began about 2 million years ago. Fossils discovered in Kenya and Tanzania suggested that individuals had cranial capacities more than 650 C.C. and close to 800 C.C. The fossils represented the first appearance of the human kind and termed Homo habilis which meant 'handy man' a term coined by Louis Leakey and his colleagues in 1964. Homo habilis had several features common to A. africanus such as similar height and weight and bipedal walking. But a closer scrutiny showed distinct differences in having a larger head (Fig. 14.8) and shorter rounder neck, relatively flat and less protruding face. Further, this Homo genus showed teeth Iess massive than southern apes. The name handy man suggests that he is a maker of tools. New discoveries from 1972 by Richard Leakey 'at Koobi fora in Kenya showed fossiI hominid skulls with cranial capacities of 800 C.C. More importantly along with the skulls, tools were also found there which justified the specific name habilis for the species and the inclusion of species under Homo.


Related Discussions:- Homo habilis

What is the mechanism described by darwin, What is the mechanism described ...

What is the mechanism described by Darwin that eliminates species less adapted to environmental conditions? The mentioned mechanism is the natural selection.

Define fluids required for underweight - nutritional care, Define Fluids re...

Define Fluids required for underweight - nutritional care? Take fluids only after a meal instead of with or before meals so that food intake is not reduced. High calorie nouris

Symptoms of aortic regurgitation, Q. Symptoms of aortic regurgitation? ...

Q. Symptoms of aortic regurgitation? Patients with chronic severe AR may be asymptomatic for many years and it may be picked up on routine examination. Some patients may remain

Define the standard deviation (2 score) classification, Define the Standard...

Define the Standard Deviation (2 score) classification? Statistics teaches us that when normal values of any variable are distributed as per their frequency of occurrence, they

Show water permeability of the luminal membranes, Healthy Person H takes a ...

Healthy Person H takes a new drug named ANTICAMPCOLLDUCT that blocks the production of cyclic AMP (cAMP) in collecting duct epithelial cells in response to vasopressin binding to V

Role of exercise and drugs in management of diabetes, Q. Role of Exercise a...

Q. Role of Exercise and Drugs in management of diabetes? Aerobic exercise for at least 20-30 minutes four or more times a week is recommended. Exercise after meals is preferre

Microfilaments - role of cytoskeleton structures, Microfilaments - Role of ...

Microfilaments - Role of Cytoskeleton Structures Microfilaments are as well present in all animal cells. They are found singly throughout the cytoplasm organized like a meshwo

What is autophagic intracellular digestion?, Autophagic intracellular diges...

Autophagic intracellular digestion is the cellular internal digestion of waste and residual materials. In general it is completed by lysosomes. Autophagic intracellular digestio

Guidelines for diagnosis and treatment planning, Guidelines for diagnosis a...

Guidelines for diagnosis and treatment planning The diagnosis and planning the case is by far the most important step in the entire sequence of the treatment and due considerat

Explain thermal decomposition heating of food, Explain Thermal Decompositio...

Explain Thermal Decomposition Heating of food Thermal Decomposition Heating of food produces various chemical changes, some of which can be important to flavour, appearance, nu

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd