Inborn Reflex

Nutrients in the soil are essential to the proper growth of a land plant. This tutorial deals with the properties of soi..

Photosynthesis is the process that plants undertake to create organic materials from carbon dioxide and water, with the ..

Multicellular organisms evolved. The first ones were likely in the form of sponges. Multicellularity led to the evolutio..

This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good d..

Proteins and minerals can be derived from various dietary sources. They are essential for the proper growth and developm..

Bryophytes (nonvascular plants) are a plant group characterized by lacking vascular tissues. They include the mosses, th..

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