Animal Crossword Creation

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Across
  1. 4. If you slice it in half the 2 sides should be the same as each other
  2. 6. Produces milk in mammals
  3. 7. Having two sides that aren’t the same/equal
  4. 9. Organ that allows fish to float or sink
  5. 14. An internal skeleton
  6. 15. An organ that develops in the uterus during pregnancy providing neutrients and oxygen the growing baby
  7. 16. Eggs that are encased by extra-embryonic membranes (think chicken eggs)
  8. 17. Plant and animal symmetry in which similar parts are arranged in a balanced way around the center of the body
  9. 18. Lives on or near the seafloor
  10. 20. a hard covering that supports and protects the bodies of some types of animals
Down
  1. 1. A system of vessels in echinoderms containing a circulating watery fluid that is used especially for the movement of tentacles and tube feet
  2. 2. A strong, flexible connective tissue that protects your joints and bones
  3. 3. Animals with an internal skeletal system
  4. 5. Asexual reproduction method in which a new organism develops from an existing one
  5. 6. Free swimming and sexual
  6. 8. Can’t generate heat; needs outside sources
  7. 10. Shedding old hair, skin, feathers, or shell to make room for new growth
  8. 11. An organism that has both male and female organs
  9. 12. Animals that don’t have an internal skeletal system
  10. 13. Being able to generate heat internally
  11. 19. Lives sessile and is generally asexual