A Part of the Ocean where sunlight can Penetrate and where most Ocean Organisms Dwell
Dictionary > Photic Zone
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Plant Cell Defense
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Regulation of Organic Metabolism, Growth and Energy Balance
The human body is capable of regulating growth and energy balance through various feedback mechanisms. Get to know the e..

Still Freshwater & Plants
Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..

Ecosystem Succession
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Chromosome Mutations
Mutations can also influence the phenotype of an organism. This tutorial looks at the effects of chromosomal mutations, ..

Polyploidy
Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..