What is the young of a rat, a seal or a bat called?

On February 14, 1984, six-year-old Stormie Jones received the first combined transplant of the heart and which organ? Which word names both a young goat and to make fun of someone? What is a young kangaroo called? A young Laura Dern appeared in which 1974 film in which her mother, Diane Ladd, played Flo the waitress? Which word names both a young rebel and a slow-burning stick used to light fireworks? What might a young beginning reporter at the Chicago Tribune jokingly be called? Which youth organization's slogan is "Do a Good Turn Daily"? A zedonk is a hybrid of which two animals?