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There are more species of insects than any other species combined. This surely illustrates that insects have the selecti..

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Plants and animals need elements, such as nitrogen, phosphorus, potassium, and magnesium for proper growth and developme..

Genetics and Evolution
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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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This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good d..

Birth of a Human Baby
Birth of a Human Baby

Following nine months inside the mother's womb is the birth of the baby. Know the different stages of the birthing proce..