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This study guide tackles plant roots in greater detail. It delves into the development of plant roots, the root structur..

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

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Explore why New Zealand has such unique flora and fauna, and learn why long periods of geographical isolation. This less..

Early Mammals on Earth
Early Mammals on Earth

The Earth's ecosphere was rapidly changing and throwing up a wide range of ecological niches that new adaptive organisms..

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Pollution in Freshwater Ecosystems

There are many environmental factors that arise due to the usage of water in one way or another and for every action tha..

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Stems

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