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.
Identifying marks and appearance. Bull sharks may grow to a length of 350 cm and weigh about 230 kg. Their massive appearance is rather striking. Their short and round snout is a conspicuous feature, and in contrast to other gray shark species from the Carcharhinidae family, bull sharks have very small eyes. Their most noticeable characteristic is, however, the dorsal fin which is shaped like a triangle.