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13 terms

World Civ. p.8

Notes over pp.4-8
STUDY
PLAY
Homo sapiens
the species including all existing races of human beings
Hominids
a family of primates that includes human beings
Austalopithecines
a group of extinct primates whose fossil remains have been found in various parts of the world, especially in southern and eastern Africa; early pre-humans
Homo erectus
an extinct species of prehistoric human beings of the Pleistocene period
Neanderthal people
prehistoric people who lived in caves in Europe, North Africa, and western and central Asia in the early Stone Age
Cro-Magnon people
group of prehistoric people who lived in southwestern Europe about 25,000 years ago. Considered of the same species as modern apes
According to most geologists how old is the earth?
4.5 to 5 billion years old
Where did the earliest life forms probably dwell?
Water
Which living things probably appeared first on earth?
one-celled waterdwelling plants and animals
What changes probably took place in the kinds of animals that live on earth?
Had to become stronger to meet changing conditions on the earth
What clues do bones and other remains give about appearance of australopithecines?
Teeth, skulls, and footprints cause belief it had a low brow, long face, large jaw, and walked upright
How did homo erectus differ from the australopithecines?
It was larger and more like modern humans
How did Neanderthal and Cro-Magnon people differ from earlier people?
They were true humans