What is the analogy for porcupine as spine is to cactus?

Would a male or female pug puppy be the best companion for a 2 yr old male pug? How did chinchillas become only bred in captivity? How does the white tailed deer adapt to the wetlands? Do giraffes eat their young? What kind of breed is your cat if she looks like a Maine Coon but is not very large? What does a fallow deer look like? What skills do horses know even when born? Is it acceptable to wear brown riding boots for dressage? Can you have a kangaroo rat as a pet in California? Is a domestic cat a predator or prey? How much is 15 ounce? Who makes the best dog whistle for training a dog? Why is Tippu Sultan called the tiger of Mysore? What is a daisy's phylum? Can you take your rabbit to the beach? Is it wrong to mate a dog twice? What is a synonym for murmur? Why wizards have black cats or owls? What animals hunt the platypus? How do you collect a trot for western pleasure?