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This tutorial looks at some of the communities in freshwater lentic habitats. For instance, symbiosis occurs in a commun..
Planktons are microscopic organisms that live suspended in aquatic habitats. There are two groups: the phytoplanktons an..
This tutorial investigates perception as two people can interpret the same thing differently. Know more about human perc..
This tutorial digs into the past to investigate the origins of life. The section is split into geological periods in the..
This tutorial deals with the abiotic factors of the freshwater environment that determine what sort of life would be sui..