Your class is collecting macroinvertebrates (insects & other small animals found in water) to determine the pollution level in a local creek. Each macroinvertebrate that you collect has a 'Pollution Rating' between 0 and 10. A rating of 0 means the animal is usually found in very polluted water. A rating of 10 means it is only found in very clean water. A total of 100 insects are caught, and the total number of points is added up. Based on the stream ecology class notebook, what conclusion can you draw about the creek?

the most common type of reef is the fringing reef. this type of reef grows seaward directly from the shore. they form borders along the shoreline and surrounding islands.

osteogenesis imperfecta (oi) refers to a congenital ailment of bones. in the condition, the bones become brittle or fragile. this ailment is a general result of the defect or mutations in the genes (colia1 or colia2). this mutation results in imperfect collagen formation either in quantity or quality wise.  

there are eight kinds of oi defects, and each kind varies with certain distinctions in symptoms. the usual symptoms include frequent bone fractures, loss of hearing in infants, protruding eyes, discoloration of the white in the eyes, respiratory issues, loosening of the joints, short stature, and other symptoms.