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This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..

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One of Mendel's law of inheritance is the "law of dominance". There are certain cases though that this pattern is not ob..

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Plant Auxins – Phototropism & Geotropism

Plants produce hormones to regulate their growth. Auxins, for instance, influence plant growth. Know the role of auxin i..

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Dinosaurs represented a major turn in the evolutionary development of organisms on Earth. The first dinosaurs were presu..

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The human respiratory system is an efficient system of inspiring and expiring respiratory gases. This tutorial provides ..