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Earth's first animal was the ocean-drifting comb jelly, not the simple sponge, according to a new find that has shocked scientists who didn't imagine the earliest critter could be so complex.


Evolution of animals merely depends upon environmental conditions of Earth. When digging down the history of Earth, we can see some animal species manage to thrive upon THE different geological time span of Earth, developed before million of years ago. Here the list of top 10 oldest animal species on Earth.


The soviet dog Lakia was the first living creature to orbit the earth. Is not quite true anymore, Laika now fifty years later, we receive the information that Lakia died on take of so she didn't ...


A new study mapping the evolutionary history of animals indicates that Earth's first animal -- a mysterious creature whose characteristics can only be inferred from fossils and studies of living ...


What was the first living creature to orbit earth? Is there any scientific proof that there are living creatures outside the Earth? In the whole Universe, do you think Earth is the only planet with living creatures? More questions.


This timeline of the evolutionary history of life represents the current scientific theory outlining the major events during the development of life on planet Earth. ... living and extinct, ... The first known mass extinction in earth's history was the Great Oxygenation Event 2.4 billion years ago.


They were certainly awesome looking creatures, unlike anything we see today. Roaming the earth some 230 million years ago, they are commonly thought to be one of the first animals in the world. But the first animals on earth actually appeared about 400 million years earlier than dinosaurs and they were discovered right here in Canada!


The first ever living organism on Earth was a bacteria known as cyanobacteria. It is believed by scientists that it first formed around 3 billion years ago. When the Earth was first formed, it was inhospitable for a long time until 3.8 billion years ago approximately, the core cooled down and the level of oxygen had risen.


Laika (Russian: Лайка; c. 1954 – 3 November 1957) was a Soviet space dog who became one of the first animals in space, and the first animal to orbit the Earth. Laika, a stray mongrel from the streets of Moscow, was selected to be the occupant of the Soviet spacecraft Sputnik 2 that was launched into outer space on 3 November 1957.


Well, just when you thought Dinosaurs were the first creatures on earth, you were wrong.