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Human intelligence provided the means to utilize abstract ideas and implement reasoning. This tutorial takes a further l..

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

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

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Cell respiration is the process of creating ATP. It is "respiration" because it utilizes oxygen. Know the different stag..

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Certain species are capable of expressing characteristics indicative of the state of the ecosystem they occupy. They are..