Which statement does not describe freshwater and saltwater ecosystems accurately? a. Both support a large number of plants and animals adapted for aquatic living. b. The primary producers in saltwater and freshwater ecosystems are amoebas. c. Freshwater ecosystems have a very low salt concentration and include ponds, lakes, streams, wetlands, and rivers. d. Saltwater ecosystems have a high salt concentration and include oceans, coral reefs, and estuaries. Please select the best answer from the choices provided