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Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of co..

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This tutorial presents the benefits and the possible adverse eventualities of genetic engineering. Know more about this ..

Homeostasis by water regulation
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Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the amount of water..

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Mammals are a diverse group of organisms, where most of them develop their offspring within the uterus of the mother. Ov..

Human Reproduction
Human Reproduction

Humans are capable of only one mode of reproduction, i.e. sexual reproduction. Haploid sex cells (gametes) are produced ..

Stem
Stems

Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..