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The sequence of amino acids determines the type of protein. Protein is synthesized according to the sequence of nucleoti..

Ecosystem Succession
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If the balance of nature is left untouched, landscapes can change dramatically over time. A previous ecosystem is supers..

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Origins of Life on Earth

Earth was created around 4.5 billion years ago and life began not long after. Primitive life likely possessed the elemen..

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