Chapter 3&4 Vocabulary

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Across
  1. 6. cold-blooded vertebrates with gills for breathing oxygen from water
  2. 10. warm-blooded vertebrates that have feathers, beak with no teeth, two legs, and lay eggs with hard shells
  3. 12. an animal that uses energy to keep a constant body temperature (endothermic)
  4. 13. cold-blooded vertebrates that have waterproof skin, live on land, and lay eggs with leathery shells
  5. 14. controls all the other body systems (controls senses, breathing, muscles, heart rate, etc.)
  6. 16. made up of bones and supports & protects the body
  7. 17. an animal with a backbone
  8. 19. the way an animal’s body parts match up around a central line
  9. 20. an internal supporting structure
  10. 21. largest phyla of animal kingdom with jointed legs and a body divided into sections
Down
  1. 1. cold-blooded vertebrates that live part of their lives in water and part on land
  2. 2. removes liquid waste
  3. 3. moves blood, water, and oxygen through the body
  4. 4. made up of muscles that move bones
  5. 5. an animal that gets heat from outside its body (exothermic)
  6. 7. an animal without a backbone
  7. 8. a group of organs that work together to carry on life functions
  8. 9. warm-blooded vertebrates that have hair and usually give birth to live young which are fed milk
  9. 11. breaks down food for energy
  10. 15. a hard outer covering that protects and supports
  11. 18. brings oxygen to the cells of the body and removes the waste gas carbon dioxide