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Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the amount of water..
The arthropods were assumed to be the first taxon of species to possess jointed limbs and exoskeleton, exhibit more adva..
Obtaining air outside an aquatic environment required species to acquire suitable adaptations, and this was the case of ..
Certain species are capable of expressing characteristics indicative of the state of the ecosystem they occupy. They are..