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

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

Geological Periods
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Geological periods is a study guide that cites the different geological periods on Earth's timeline. Each has a brief ov..

Genetic engineering
Genetic Engineering Advantages & Disadvantages

This tutorial presents the benefits and the possible adverse eventualities of genetic engineering. Know more about this ..

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

Pollution in Freshwater Ecosystems
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..