How did tails the fox get 2 tails?

How often can a rabbit have babies and what factors influence their reproductive frequency? Why arent atmospheric levels of carbon dioxide rising as rapidly as might be expected based on the increase output of carbon dioxide resulting from human activities? Has your cat peed in the carrier before, and if so, how did you handle the situation? What is the the scientific knowledge of farming? Why does my dog choose to play fight with me instead of my wife? Do cats like being in the dark, or do they prefer well-lit environments? When was Daphnia barbata created? Who was brought up by animals in jungle? How long does it take for Skin to freeze in -20ºF weather? What do praymateses eat? What are the differences between a bristlenose pleco male and female? Do kefir grains get old? What is a diagram that reflects such hypothesis of evolutionary relationships that has a branching pattern? How can I get my cat to stop crying? Can a cat be left alone for 3 days without any supervision or care? What is the most accurate method to determine if someone is allergic to cats: an allergy test for cat dander or a skin prick test? Why is my beta fish dying and what can I do to save it? Is it safe to put lotion on a cat? Why does my cat won't stop knocking over the water bowl? What is the okapis life cycle?