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1.Africa
Humans first evolved in Africa, and much of human evolution occurred on that continent. The fossils of early humans who lived between 6 and 2 million years ago come entirely from Africa.
2.
In biology, evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection. ... Evolution relies on there being genetic variation? in a population which affects the physical characteristics (phenotype) of an organism
3.
The Sun and the planets formed together, 4.6 billion years ago, from a cloud of gas and dust called the solar nebula. A shock wave from a nearby supernova explosion probably initiated the collapse of the solar nebula. The Sun formed in the center, and the planets formed in a thin disk orbiting around it.
4.
heredity, the sum of all biological processes by which particular characteristics are transmitted from parents to their offspring. ... The set of genes that an offspring inherits from both parents, a combination of the genetic material of each, is called the organism's genotype.
5.
Homo habilis ate meat by scavenging from animal carcasses. But snatching meat from under the noses of fearsome predators like lions was a risky business. However, Homo habilis had a secret weapon: stone tools. Crude stone implements were used to smash open animal bones and extract the nutritious bone marrow.
6.
Spanish cave art was made by Neanderthals, study confirms. Neanderthals, long perceived to have been unsophisticated and brutish, really did paint stalagmites in a Spanish cave more than 60,000 years ago, according to a study published on Monday.
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