Prehistory

A:

Humans belong to the species Homo sapiens. Earlier humans had a heavier bone structure and a smaller brain capacity. Modern humans are lighter in build and have high foreheads with a large brain capacity.

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  • What major events happened during the Jurassic period?

    Q: What major events happened during the Jurassic period?

    A: Major events during the Jurassic included the further breakup of the supercontinent Pangaea, the development of subtropical conditions and larger dinosaurs. The earliest bird also took flight during the late Jurassic, and early mammals emerged that would later dominate the Earth.
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  • Where did the barbarians come from?

    Q: Where did the barbarians come from?

    A: Barbarians were people who came from anywhere outside of Greece and later Rome. The term is often used to refer to the Germanic and Slavic tribes that attacked Rome during its decline.
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  • When did cavemen exist?

    Q: When did cavemen exist?

    A: What are commonly called cavemen were the early European populations of the Pleistocene. Their remains were first discovered in 1868 inside a cave at a site in France, called Cro-Magnon, that was dated to approximately 30,000 years ago.
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  • When did the first animals appear on Earth?

    Q: When did the first animals appear on Earth?

    A: The first occurrence of simple animals was approximately 600 million years ago. These were characterized as multi-cellular organisms with basic structures, but no true tissues. An example would be a jellyfish or marine sponge.
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  • How did cavemen communicate?

    Q: How did cavemen communicate?

    A: According to archaeologists, Neanderthal people, known colloquially as cavemen, lived in groups with simple social structures, had their own languages and communicated by speaking. Some scientists conclude that analysis of Neanderthal DNA confirms that they possessed the same gene humans have that is associated with the capability for language and speech.
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  • When did the Triassic period begin and end?

    Q: When did the Triassic period begin and end?

    A: The Triassic period began approximately 248 million years ago and ended 206 million years ago; although, some sources date it to be between 251 and 199 million years ago. It was followed by the Jurassic period; it was the first period of the Mesozoic era.
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  • When did the Cenozoic Era begin?

    Q: When did the Cenozoic Era begin?

    A: The Cenozoic Era began about 65 million years ago and continues today. It is the third documented era in the history of the Earth. It is marked by the proliferation of mammals, birds, grasses and flowering plants.
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  • What did homo erectus wear as clothes?

    Q: What did homo erectus wear as clothes?

    A: Homo erectus, meaning upright man, is thought to have worn animal hides and furs taken from animals it hunted for meat. However, no fossilized remains have survived to fully support this theory.
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  • Which species do humans belong to?

    Q: Which species do humans belong to?

    A: Humans belong to the species Homo sapiens. Earlier humans had a heavier bone structure and a smaller brain capacity. Modern humans are lighter in build and have high foreheads with a large brain capacity.
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  • What are some Stone Age inventions?

    Q: What are some Stone Age inventions?

    A: Some of the earliest inventions of the Stone Age were simple hammerstones that showed evidence of battering, and stone cores, used for a variety of purposes, such as chopping. These stone cores could also produce sharp stone flakes when struck; the stone flakes were in turn used for cutting.
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  • Where did Australopithecus live?

    Q: Where did Australopithecus live?

    A: Australopithecus lived between 2.95 and 3.85 million years ago in East Africa, approximately where Tanzania, Kenya and Ethiopia exist today. It is believed that Australopithecus survived as a species for approximately 900,000 years before giving way to new hominids.
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  • When was the Stone Age?

    Q: When was the Stone Age?

    A: The term Stone Age refers to the prehistoric period before the advent of metal-working, when most tools were fashioned from rocks and stones. According to the Oxford Dictionary, the Stone Age lasted about 2.5 million years.
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  • Which era occurred just before the current era?

    Q: Which era occurred just before the current era?

    A: The era occurring before the current geologic era was the Mesozoic, which began roughly 245 million years ago and ended about 64 million years ago. The Mesozoic era consisted of three periods; from oldest to more recent, they are the Triassic, the Jurassic and the Cretaceous periods.
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  • When did dinosaurs roam the earth?

    Q: When did dinosaurs roam the earth?

    A: Dinosaurs first walked the earth 230 million years ago and dominated the land for 160 million years. They became extinct 65 million years ago during the Cretaceous period.
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  • Q: Who disovered density?

    A: Density was discovered by a Greek mathematician named Archimedes. He was born in the city of Syracuse, which was the heart of art, commerce and science, and his father, Phidias, was a mathematician and an astronomer. Archimedes traveled to Egypt to study in Alexandria, which had a great reputation of scholarship and learning, and he later returned to Syracuse to focus on his ideas.
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  • Q: When did humans begin measuring things?

    A: Measuring things became necessary to humans as they settled from their nomadic way of life and began building homes, occupying land and trading with one another. They initially used parts of their bodies to measure different things; the cubit was an early measurement based on the length of the forearm.
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  • What did cavemen use to make paint?

    Q: What did cavemen use to make paint?

    A: Most prehistoric paints were made from minerals like hematite, iron and limonite that oxidize and combine to form a pigment called ochre. Charcoal, burned bones and ground calcite were also used. These materials were mixed with animal fat or other binding materials to form the paint.
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  • Q: What did Stone Age people eat?

    A: People who lived during the Stone Age ate meat, vegetation and grains. Their diets are likely similar to the diets of many farmers who live in Asia, especially in India and China.
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  • What were some important events in the timeline of life on earth?

    Q: What were some important events in the timeline of life on earth?

    A: Life began on Earth 3.8 billion years ago, as BBC Nature explains. At that time Earth became home to single-celled prokaryotes. 2.1 billion years ago multicellular life began, and the first arthropods appeared 570 million years ago. Mammals have only been evolving over the last 200 million years.
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  • Q: When did the first land animals appear on Earth?

    A: According to Earth System Science Education, the first land animals appeared toward the middle of the Paleozoic Era, in the late Silurian period. The earliest animals to adapt to the land were small arthropods similar to mites, spiders and scorpions.
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  • Q: What animals and plants became extinct during the Precambrian Era?

    A: Plants and animals that became extinct during the Precambrian Era include acritarchs and Ediacara biota. These were soft-bodied organisms. Animals such as Namacalathus and Cloudina also became extinct in the Precambrian Era.
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