Write Questions and Answers Write Questions and Answers. This is your ticket out the door and you can work on it Thursday if you don’t get finished today. What is a population? Give 3 examples of populations around Mill Creek. What is a community? Give 3 examples of a community. What are the 4 things that organisms need most to survive? What is competition? What is a predator? What is prey? What is an adaptation? Give 3 examples. Name 3 ways that organisms have adapted to get food. Name 3 ways that organisms have adapted to protect themselves. Name 2 ways that organisms have adapted to help them move or reproduce.