20ImportanceAquatic ecosystems perform many important environmental functions. For example, they recycle nutrients, purify water, attenuate floods, recharge ground water and provide habitats for wildlife. Aquatic ecosystems are also used for human recreation, and are very important to the tourism industry, especially in coastal regions.
21What gives Blackwater Rivers their dark tea-like color? NutrientsSoilTanninsVegetation
22What is the largest lake in Georgia? Lake OconeeLake LanierLake PlacidLake Tahoe
23What is another name for a stream? TestisMitochondriaSpermBrook/Creek
24What is the term for water that is a mixture of fresh water and salt water? BrackishSalineTapSpring
25What organism is not present in a sag pond? VegetationAmphibiansFishBirds
26Name one of the two large alluvial rivers in Georgia.
27Name one of the two large alluvial rivers in Georgia. Altamaha RiverSavannah River