Organic+Matter7

= = =**Organic Matter **=



Organic Matter includes plant and animal residues, at various stages of decomposition, cells and tissues of soil organisms, and substances synthesized by the soil population. Humans use it for gardening and farming to make the soil used to plant the seeds better In the forest, organic matter helps to grow food and provides homes for animals
 * Most Organic Matter in a freshwater ecosystem is used as food
 * Some types of organic matter are:
 * Algea
 * Plankton
 * Bits of leaves and wood
 * Decaying organisms
 * Too many nutrients can result in a decrease in oxygen levels
 * Too few nutrients can result in organisms either traveling to another part of the river or stream in search of food, or dying for lack of food

This is what happens when not enough nutrients get into a stream or river



 This is what could happen if too many nutrients get into a stream or river