How tall should a German shepherd be at 15 weeks?

What is the digestion of monotremes? Is cow is a mammal? Do humpback whales eat with other whales? Do Maltese's growl? Average temperature for cheetahs? What are two mammals that lay eggs instead of giving birth to live young? Is it ok just to have one rabbit? How do you install rear axle bearings john deere 210? Is the killer whale vulnerable? What are 5 adaptations a beaver uses? What does it mean when a stray cat keeps looking at your cat through a glass door and your cat crys but the other cat just stares as if they are cold and want to come in? How long does a rabbit have to wait after having babies to get pregnant? How do you tell what color cat's your eyes are? Is 25000 dollars a year a lot of money because i want to be a marine biologist and a dolphin trainer and i hear they get paid like 25000 dollars a year is that true and is that a lot of money? What is the body covering of bottlenose dolphins made of? Is dog food bad for pigs? How long do you have to wait to stroke a newborn kitten? Endothermic and exothermic? How long does a Mexican gray wolf live? Can a dog and a wolf have a puppy?