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Molecules move within the cell or from one cell to another through different strategies. Transport may be in the form of..
Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..
Humans are capable of only one mode of reproduction, i.e. sexual reproduction. Haploid sex cells (gametes) are produced ..
Physiology is the study of how living organisms function. Thus, human physiology deals specifically with the physiologic..