Orangutans have the slowest known life histories of any mammal. They take the longest time to grow up and they are the slowest to reproduce. The female orangutanâs menstrual cycle is 29 to 32 days, with menstruation lasting three to four days. The gestation period is approximately eight and a half months. Usually a single offspring is born, weighing about 3 Â½ pounds.
Category:Human remains (archaeological) Human remains are an important type of artefact studied by archaeologists. Human remains provide direct evidence of human existence and scientific study can yield information on aspects of their lifestyle including diet, disease, age at death and injuries suffered during their lifetime. Subcategories.
Other fossils include the proposed Homo sapiens idaltu from Herto in Ethiopia that are almost 160,000 years old and remains from Skhul in Israel that are 90,000 years old. The oldest human remains from which an entire genome has been extracted belongs to a man who lived about 45,000 years ago in Western Siberia.he term early when applied to modern humans is usually restricted to finds from the upper Palaeolithic, ending about 10,000 years ago. This coincides with the end of the last ice age, which also saw the end of the ice age megafauna.