The diagnostic term literally means "to itch" and this chronic skin condition causes red patches with dry, thick, silvery scales.

Ithink the correct term to fill the blank would be psoriasis. the diagnostic term psoriasis literally means "to itch" and this chronic skin condition causes red patches with dry, thick, silvery scales. it is one of the most persistent type of skin disorder. it is distinguished by the skin cells that multiply to 10 times faster than usual. it commonly happens on elbows, scalp, knees, torso, palms and the soles. symptoms for this are plaque of red skin, fingernails and toenails disorders and crust on the scalp. this disorder is linked to psoriatic arthritis. according to the national psoriasis foundation, about 10 percent to 30 percent of the people with psoriasis also has psoriatic arthritis.

An ecosystem is in a certain area and includes living and non living plus there is weather conditions and a biome is a large amount of area with similar climate.so ecosystem is based on weather and biome is based on the average climate