Topic 7 Vocab

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Across
  1. 4. the part of the flower that receives pollen and contains the ovary
  2. 6. the organ in fish and young amphibians that takes in oxygen from water
  3. 8. to figure out the meaning of something
  4. 12. the main respiratory organ that takes in and releases air
  5. 17. a trait feature or quality
  6. 19. the death of all organisms in a species
  7. 20. something that is on the outside of an organism or object
  8. 21. the job that something is made to do
Down
  1. 1. to sort objects or living things into groups based on shared traits
  2. 2. the female reproductive part of a flower that holds the eggs
  3. 3. system, the tube-like parts of a plant that transport materials throughout the plant
  4. 5. an organ that receives information from sense organs about the environment and then tells the body how to react
  5. 7. the green leaf-like part of a plant that protects a budding flower until it is ready to bloom
  6. 9. a hard external covering on many invertebrates that maintains their shape and protects their organs
  7. 10. an arrangement of particles for a specific purpose
  8. 11. an organ that pumps blood
  9. 13. the male part of the flower that makes pollen
  10. 14. a rigid inner support in vertebrates made of bones
  11. 15. an action or change that causes a certain reaction in an animal
  12. 16. something that is on the inside of an organism or object
  13. 18. a waxy outer coating on a leaf that helps a plant control the amount of water that leaves the plant