A scientist studies the effects that barnyard grass, a weed, has on the growth of rice other weeds, and insects. The barnyard grass and other weeds, rice, and insects make up which level of the biological organization? A.)All the insects in North America.
B.)All the white tailed deer on a island.
C.) All the Bacteria in a digestive tract
D.) All the single-celled creatures in a sample of pond water

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.  

answerwestern plateau,     central lowlands,     great dividing range;