Nutrient Systems

Living Systems-Investigation 2

A nutrient is a substance, such as sugar or starch, that is used by a cell to produce the energy needed to perform the functions of life.


Chlorophyll is the green pigment that absorbs sunlight in the cells of producer organisms.

Green Plant Cells

Green plant cells make sugar (nutrients) from carbon dioxide and water in the presence of sunlight, and release oxygen.


Plants make their own food by photosynthesis. Animals obtain nutrients by eating other organisms.
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