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Physiology is the study of how living organisms function. Thus, human physiology deals specifically with the physiologic..
Autotrophs flourished, absorbing carbon and light. Soon after, primitive life forms that could assimilate oxygen thrived..
This tutorial deals with the abiotic factors of the freshwater environment that determine what sort of life would be sui..
Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of co..
This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..