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To Much UV Radiation! :)
I believe Echinoderms evolved first.
Unicellular organisms evolved first; and from them evolved the multicellular organisms. But that leads onto another question as to why multicellular organisms evolved.
No, the first animals were tiny, tiny animals that evolved from plants under the oceans. These animals later evolved into fish, some who later adapted to life on the surface, breathing oxygen through a set of lungs. Evolution carried on until where we are today.
eff the time in wich life first evolved on earth!!
you need all the variables first . as in the interest that will be earned and calculate both equations.
he evolved from a monkey No, he evolved from an ape.
Complex organisms evolved from simple organisms, so simple organisms evolved first.
Modern Homo sapiens first evolved in Africa around 200,000 years ago.
They evolved together, couldn't get one w/o the other.
algae
Dinosaurs first evolved 231.4 million years ago in Pangaea. This was during the beginning of the Mesozoic era, in the Triassic period.