Supposed you are hiking in the hills and you come across a wall of rock you look closely at the rock and you notice a trilobite fossil embedded in it what might this fossil suggest to you about the hills you are hiking in the hills used to be volcanic and are now dormant the hills were once at a munch higher elevation the hills are rich in sandstone the hills, at one time, were under water

Trilobites create one of the most primitive recognized groups of arthropods. These are a group of fossilized extinct marine arachnomorph arthropods. Trilobites seem to have been wholly marine organisms, since the petrified remains of trilobites are always found in rocks containing fossils of other salt-water animals. So therefore, the answer is the hill you are hiking on is at one time, were under water. Since Trilobites are found under water.

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