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Around 400 million years ago, in the Devonian, the age of sharks and early amphibians.
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∙ 10y ago
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Where did the first arthropods appear more than 600 million years ago?
The sea
How long ago did the first dinosaurs appear?
About 230 million years ago.
How long ago did mans first ancestor appear?
on the 12th of march
When did numbers as we know them first appear?
A Long...Long....Long....Long......Long....Long.....Long...Long.......Long.....Long....Long..Long Time Ago XD
When did Arthropod first appear on earth?
Arthropods have adapted to life on land, at sea, and in the air. They are invertebrates that includes insects, crustaceans, and arachnids. Some examples of arthrpods are ants, lobsters, and spiders.
About how long ago did australopithecus's appear?
they lived about 3 millon years ago. : )
When did fungus first appear?
a while ago
How long ago did arthropods occupy the earth?
A proposal exists that a couple organisms discovered just before the Cambrian period about 555 million years ago were the first arthropods found in the fossil record; by about 530 million years ago trilobites already showed significant diversity and world-wide distribution. There have been multiple mass extinctions inferred from evidence; but basically they've continuously occupied the Earth since.
How many years ago did mosses first APPEAR?
two millon years ago
When did the first eukaryotic cell first appear?
8.1 billion years ago
How long ago did Neanderthal appear?
Completely evolved Neanderthals appeared 130,000 years ago.
When did SpongeBob first appear on tv?
3 years ago
