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The timeline of the evolutionary history of life represents the current scientific theory outlining the major events during the development of life on planet Earth. Dates in this article are consensus estimates based on scientific evidence , mainly fossils .
This was the last major animal to be tamed as a source of milk, meat, power, and leather in the Old World. Lascaux aurochs, Stone Age [2] 3500 BC. Sumerian animal-drawn wheeled vehicles and plows were developed in Mesopotamia, the region called the "Fertile Crescent." Irrigation was probably done using animal power.
This is an accepted version of this page This is the latest accepted revision, reviewed on 21 February 2025. Cloud-based presentation software Google Slides An example of a Google Slides presentation Developer(s) Google LLC Initial release March 9, 2006 ; 18 years ago (2006-03-09) Stable release(s) Android 1.25.082.01 / 26 February 2025 ; 2 days ago (2025-02-26) iOS 1.2025.08202 / 24 February ...
The history of zoology before Charles Darwin's 1859 theory of evolution traces the organized study of the animal kingdom from ancient to modern times. Although the concept of zoology as a single coherent field arose much later, systematic study of zoology is seen in the works of Aristotle and Galen in the ancient Greco-Roman world .
Henry Spira founds Animal Rights International after attending a course on animal liberation given by Peter Singer. [31] 1975: Peter Singer publishes Animal Liberation, whose depictions of the conditions of animals on farms and in laboratories and utilitarian arguments for animal liberation are to have a major influence on the animal movement ...
A campaign by Animal Rights International opposing Draize tests performed on rabbits by the cosmetics company Revlon resulted in Revlon making a $250,000 grant to Rockefeller University to research alternatives to animal experimentation. Several other major cosmetics companies soon followed suit. [22] 1980
First Sponge-like animal: similar to early colonial foraminiferan Horodyskia, earliest ancestors of Sponges were colonial cells that circulated food sources using flagella to their gullet to be digested. Kaigas (c. 750 Ma): first thought to be a major glaciation of Earth, however, the Kaigas formation was later determined to be non-glacial. [24]
List of extinct animals of Romania; List of fossil species in the La Brea Tar Pits, California, United States; List of fossil species in the London Clay, England; List of White Sea biota species by phylum, Russia; Paleobiota of the Hell Creek Formation, northern United States; Paleobiota of the Morrison Formation, western United States
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