Animal Classification Practice Test Name ____________________________________ Date _________________ A. Use the words from the list to complete the sentences below. vertebrates invertebrates exoskeleton camouflage warm-blooded cold-blooded 1. Animals that do not have a backbone are called _____________________. 2. Animals that have a backbone and an internal skeleton are called _____________________. 3. A __________________ animal takes on the temperature of its environment. is an animal’s coloration that makes it look like 4. part of its habitat. 5. A hard outer covering on some insects is called an ___________________. 6. A __________________ animal keeps its body temperature in the same range at all times. B. Answer the following question: 7. Name three animals and tell one physical characteristic that allows each animal to survive in its environment. Animal: Physical Characteristic: 1. 1. 2. 2. 3. 3. C. List four observable characteristics of each type of vertebrate: Mammals: Birds: 1. 1. 2. 2. 3. 3. 4. 4. Amphibians: Reptiles: 1. 1. 2. 2. 3. 3. 4. 4. Fish: 1. 2. 3. 4.