chronÂ·oÂ·biÂ·olÂ·oÂ·gy. n. The study of the effects of time and rhythmical phenomena on life processes. chronâ²oÂ·biÂ·oÂ·logâ²ic (-É-lÅjâ²Ä­k) , chronâ²oÂ·biÂ·oÂ·logâ²iÂ·cal (-Ä­-kÉl) adj.
This breed is currently only recognized by five breed clubs. The American bully is a short, stocky dog with a large head and wide chest. This pitbull-type breed reaches a height of 18 to 21 inches in males, 17 to 20 inches in females and a weight of 70 to 120 pounds.There are five categories of American bully according to body type and height and weigh varies greatly.his breed is currently only recognized by five breed clubs. The American bully is a short, stocky dog with a large head and wide chest. This pitbull-type breed reaches a height of 18 to 21 inches in males, 17 to 20 inches in females and a weight of 70 to 120 pounds.
Males, or bulls, may reach 4 m (13 ft) in height and weigh 7000 kg (15,400 lb). Females, or cows, are shorter, averaging 2.8 m (9 ft) in height, and weigh considerably less, about 3600 kg (7900 lb).Asian elephants are shorter and stockier than their African relatives, with ears that do not reach their shoulders.