How many eggs does a fish lay? Why do fish have scales? What is a fry? Almost every fish hatches from an egg in water. That is just one of the things that makes it a fish. Read 'The Life Cycle of Fish' to explore the way fish are born, grow, and reproduce. Look, too, at how their lives are linked to the habitats in which they live. Heinemann InfoSearch books ask the questions you want answered. Each chapter starts with a different question and gives...