Nototrema

Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..

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

This tutorial describes the sigmoid curve, annual plant growth, tree growth, human growth, and insect growth as the grow..

Illusions are the perceptions and sensory data obtained from situations in which human error prevents us from seeing the..

For human species to obviate extinction, reproductive mature adults should be producing viable offspring in order to con..

Seed plants are vascular plants. They differ from the other vascular plants in producing seeds that germinate into a new..

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