Eutrophic lake- large excessive supply of plant nutrients. Usually shallow, cloudy and warm. Rivers and Streams- carry moving water from higher to lower elevations. Carry fresh water to the oceans. Shape the lands through erosion.
Estuaries are coastal areas where fresh and salt waters mix.
Students will learn about the maintenance of a man made ecosystem. Students will learn about the responsibilities of pet care. Set up a self-sustaining aquarium for tropical or fresh water fish. Prior consultation with fish care specialists is recommended especially for many of the more delicate tropical varieties. Students will give group presentations based on ecological research material gathered.