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This tutorial looks at some of the communities in freshwater lentic habitats. For instance, symbiosis occurs in a commun..
Plants protect themselves by releasing hydrogen peroxide to fight against fungal invasion. Another way is by secreting c..
This tutorial deals with the abiotic factors of the freshwater environment that determine what sort of life would be sui..
Plants are characterized by having alternation of generations in their life cycles. This tutorial is a review of plant m..
If the balance of nature is left untouched, landscapes can change dramatically over time. A previous ecosystem is supers..