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New Zealand is known for its unique biodiversity, caused by its remarkable geography and geologic history. Breaking away..

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

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This tutorial looks at some of the communities in freshwater lentic habitats. For instance, symbiosis occurs in a commun..

Regulation of Biological Systems
Regulation of Biological Systems

Regulation of Biological Systems tutorials are focused on the modulation of biological systems from cell to population l..

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Freshwater Communities & Plankton

Planktons are microscopic organisms that live suspended in aquatic habitats. There are two groups: the phytoplanktons an..

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Plants are responsible for incredible feats of molecular transformation. Plant processes, such as photosynthesis, photop..