AP BIOLOGY

Detailed explanation-1: -The water in the soil becomes rich with tannins and seeps into the ground water or drains into lakes and streams. These waters become brown in color and look like tea.

Detailed explanation-2: -Tannins: thermostable pigments which complex dietary proteins and inhibit digestive enzymes.

Detailed explanation-3: -(TA-nin) A type of chemical found in plants and in certain foods, such as fruits, vegetables, nuts, wine, and tea. Tannins have antioxidant properties and may promote good health. They are being studied in the prevention of cancer, heart disease, and other diseases.

Detailed explanation-4: -Tannic acid is brown in color, so in general white woods have a low tannin content. Woods with a lot of yellow, red, or brown coloration to them (like cedar, redwood, red oak, etc.) tend to contain a lot of tannin.