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Changing environments
One of the changes in Europe that can be attributed to the french revolution is the existence of a socialist party in most European countries.
Trilobite+sand=crab
rock and plankton
Although researching has provided a definition for the word trilobite there does not seem to be any reference as to why one would be referred to as a trilobite. A trilobite is an extinct arthropod from Paleozoic times of which the skeleton is divided into three parts.
Trilobite.
because of the climate they change in land form and predators
they have exoskeleton
The trilobite is able to survive droughts because it is eggs can survive millions of years before hatching.
Yes; many cnidarians have an exoskeleton.
a socialist party in most European countries
The trilobite.