Hominid Species

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A major hallmark in the evolution of the hominid species is the modification in the size of the brain. The available fossil record is however incomplete and interpretation is often difficult. The supposed dominance of homo erectus species of hominids is generally credited to the proportions of their brain, that has evolved over the course of their evolutionary history. Direct evidence supporting the changes in the brain can only be obtained from the hominid fossil record, and by studying the available endocasts of extant and extinct hominid species. The records indicate that the differences in the size of the brain are also accompanied by modifications in the proportions of the body, and change in the metabolic rates due to the availability of food as tools were developed. Records also indicate …show more content…
They also used fire from sources in the environment but did not make it, made and used stone tools and their cranial capacity was around 850 to 1,200 milliliters
Homo heidelbergensis is the species that is considered to be the transition between Homo erectus and Homo sapiens, these are the very first species that actively hunted large game due to improvement in tools, and their cranial capacity was between 1,000-2,000milliliters.
Homo sapiens neanderthalensis is dated around 200,000 to 30,000 years ago. These are the first species to show construct their own shelter, hunt very latge game such as ehinos and mammonths, clothing construction from animal hides, and controlled their use of fire. The cranial capacity is indicated to be around 1,400 to 1,500 milliliters.
Homo sapiens sapiens is the extant hominid form; they first appeared around 195,000 years ago, their hallmark is the wide use of raw materials, a plethora of crafted and handmade items, and the sophisticated construction and use of tools. Their cranial capacity is around

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