By and large it is the man-made pollutions of waters that get the most attention, and perhaps rightfully so. But what is also important is the overall contamination, or natural quality of water that will help determine the treatments necessary to make a water safe for public consumption.n example of a point source of water pollution is a pipe from an industrial facility discharging effluent directly into a river. An example of a nonpoint-source of water pollution is when fertilizer from a farm field is carried into a stream by rain (i.e. run-off).
Decomposers are consumers that obtain energy by feeding on and breaking down detritus. Detritus is the waste and remains of dead organisms. Animals that eat detritus are often called scavengers.They include earthworms, some rodents and insects, crayfish, catfish, and vultures.The main decomposers are bacteria and fungi.ecomposers are consumers that obtain energy by feeding on and breaking down detritus. Detritus is the waste and remains of dead organisms. Animals that eat detritus are often called scavengers.
In February to April, females lay 1-3 eggs with an incubation period of 28 to 40 days. Black Vultures are thought to mate for life, whereas Turkey Vultures form established pairs only to raise young during the breeding season.Vultures are migratory, social birds that form large communal roosts.wo species of vulture can be observed in Fairfax County: Black vultures (Coragyps atratus) and Turkey vultures (Cathartes aura). Black vultures are 22 to 27 inches long with a 4.5 to 5 foot wingspan, and weigh 4 to 5 lbs.