Tartar

tartar (Science: dentistry) Another name for calculus..

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

Plantlife can be studied at a variety of levels, from the molecular, genetic and biochemical level through organelles, c..

A running water environment offers numerous microhabitats for many types of animals. Similar to plants, animals in lotic..

This tutorial looks at the adaptations of freshwater plants for them to thrive in still water habitats. Familiarize your..

Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understa..

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

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