invertebrates

Algae



 Algae are plant like protists that create their own food, for this reason they are called //autotrophs. //  They make the base for most aquatic food chains.  Some experts say that chemicals fromfarms are polluting area water systems. Those chemicals, called nitrates, feed the algae and make it grow and spread. Animal like protists

Invertebrates
 * most protists have similar characteristics as animals
 * examples of animal like protists are ciliates and peramecia
 * they eat bacteria and sediments that contain bacteria and algae
 * they are called saprotrophs because they feed on decayed, organic matter, and also algae
 * They live in and around streams and rivers.
 * The most common freshwater invertebrates include insects,mollusks, and worms.
 * They are the second major group of organisms that live in and around streams and rivers.
 * They affect the wildlife by feeding off algae and plants.
 * They do not have back bones.