Study Guide Science Chapter 4 Please know the following: Definitions: Muscular system Mimicry Instinct Reproduction Adaptations Skeletal System Camouflage Respiratory System Metamorphosis Heredity Also, please study the following questions! Do sponges and cnidarians have a circulatory system? What are the parts/organs included in the nervous system? What is the job of an animal’s circulatory system? What is the correct order of the stages of complete metamorphosis? Do adaptations develop from generation to generation or do animals choose the ways they will adapt? How are clones produced? What is the general pattern of any animal life cycle? What is a learned behavior? Give an example of a learned behavior. Essay Questions: 1. One group of squirrels lives on an island without predators. Another group of squirrels lives on an island with predators. Which group is more likely to be faster runners? Write a hypothesis and explain your reasoning. 2. A snowshoe hare has white fur in the winter and brown fur in the summer. What does this tell you about the snowshoe hare’s habitat? Extra Credit: Students will study a diagram of a frog and then list parts of the system in the order food goes through them. Students will also name the part that food does not actually go through.