Prehistory

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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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 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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  • 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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  • 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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  • 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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  • 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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  • Q: When was the last update on the Jarkov mammoth?

    A: The Jarkov mammoth, frozen solid in Siberian permafrost, was found in 1997 and removed to an ice cave for thawing and study. Scientists hoped the specimen would yield living cells for cloning experiments. As of Aug. 2014, cells and DNA recovered from the specimen have not proven suitable for cloning.
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  • When was fire discovered?

    Q: When was fire discovered?

    A: Archaeological evidence suggests human ancestors first discovered how to control fire about 1 million years ago, according to History.com. Findings, including burned bones and plants, suggest Homo erectus was the first hominid to wield flames; in this case, fire was probably used to cook food.
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  • Q: Why are people on Earth?

    A: Human beings are on Earth, as opposed to any of the other planets in the solar system, because it is uniquely able to support the development of life. Some scientists speculate that Earth hosts the only intelligent life in the universe. Others believe there are many other habitable planets.
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  • Q: What is the history of leather?

    A: Leather making is one of the oldest human activities, and dates all the way back to the hunter/gatherer days.There was no such thing as a needle and cloth to sew clothes, so they used the skins of the animals they killed for food.
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  • Q: What is the history of Sachin Tendulkar?

    A: Sachin Tendulkar is an Indian cricket player who is widely regarded to be the greatest player of the sport during modern times. He first played international cricket in 1989 and retired in 2013.
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  • Q: What does an archaeologist study?

    A: An archaeologist studies the origin and development of humans in the ancient and recent past, generally through the study of material remains. Archaeologists also study the behavior of humans and their culture and language.
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  • When did the Mesozoic era begin?

    Q: When did the Mesozoic era begin?

    A: The Mesozoic era began between 251 and 199.6 million years ago with the Triassic time period. Two other time periods belonging to this era are the Jurassic period, which began 199.6 to 145.5 million years ago, and the Cretaceous period, which started between 145.5 to 65.5 million years ago.
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