Coprolites are feces of organisms which becomes fossilized excrements that forms some basic components that describe the food that the ogranism ate. Moreover, like other fossils, t<span>he appearance of Glossopteridales fossils and coprolites also helped scientists to study so much about species, </span>
Chordates, or members of phylum Chordata, possess a backbone.
Axon: the messenger cell that carries the command to contract muscles.
If a HYPOTHESIS is wrong scientists come up with a conclusion, the hypothesis doesn't matter for the result. It is just an educated guess based on the results they expect our hope the achieve.