1. Vertebrates are characterized by their presence of _________ A. endoskeleton B. backbone C. exoskeleton D. lungs 2. Which of the following is not present on all vertebrates? A. notochord B. backbone C. nervous system D. lungs3. Which group of vertebrates does a whale belong to? A. Reptile B. Amphibian C. Mammal D. Fish4. __________ live part of their life in the water and part of it on land. A. Birds B. Mammals C. Reptiles D. Amphibians5. Which statement below is a characteristic of a whale? A. rough skin B. can live both on land and water C. produces milk D. lays eggs6. Amphibians breathe through _____ when they’re an adult and through ______ as young . A. mouth; nose B. gills; lungs C. nose; mouth D. lung; gills7. I’m an aquatic animal, egg-laying, and cold-blooded. What am I? A. A fish B. A bird C. A mammal D. A reptile8. All of the following are cold-blooded animals except________ A. Birds B. Reptiles C. Fishes D. Amphibians9. I’m an aquatic animal, egg-laying, and cold-blooded. What am I? A. A fish B. A bird C. A mammal D. A reptile10. I have hair or fur, feed my babies milk, and breathe with lungs. What am I? A. A fish B. A bird C. A mammal D. A reptile11. Snakes, lizards, and salamanders are examples of_________ A. Reptiles B. Mammals C. Amphibians D. Fishes12. Which animals are most similar in terms of classification? A. Shark and Whale B. Penguin, Shark, and Whale C. Penguin and Hawk D. Shark and Hawk13. Which of the following is not a vertebrate? A. Arthropods B. Fish C. Mammal D. Amphibians14. Which group of animals breathe with gills as young and breathe with lungs as an adult? A. Arthropods B. Fish C. Mammal D. Amphibians15. Which of the following is a vertebrate? A. bee B. seahorse C. jellyfish D. sea anemoneDirections: Identify the vertebrate group that is being described by the statement. Write the letter of your choice on the blank provided. F – fish A – amphibian R – reptile B – bird M - mammal ______1. Have moist and slimy skin. ______2. Skeleton is either cartilaginous or bony. ______3. Body is covered with dry skin and scales. ______4. Bones are lightweight and hollow. ______5. Nourish their young with milk from the mammary glands.help mee​