Biology extra credit crossword puzzle (By: Ella Sagur)

Edit Answers
1234567891011121314151617181920
Across
  1. 3. when an organism makes its own food
  2. 5. small external openings of a trachea or lung
  3. 6. what the cell walls of fungus-like protists are called
  4. 7. plants that reproduce through flowers and bear their seeds in fruits
  5. 9. involuntary movement in response to a stimulus
  6. 11. what causes red tide
  7. 13. when an organism eats both plants and animals
  8. 14. the largest type of protist
  9. 15. movement of matter from low concentration to high
  10. 16. the regulation of the internal environment
  11. 17. when an organism is lacking a nucleus and other membrane bound organelles
  12. 20. short microscopic hairs used for movement
Down
  1. 1. what animal-like protists are called
  2. 2. the condition of having both male and female parts
  3. 4. when an organism only contains one cell
  4. 5. microscopic pores in the shout epidermis of a plant
  5. 8. the fundamental units of the brain and nervous system
  6. 10. vascular plant tissue that conveys water from roots to plant
  7. 12. the act of transferring pollen grain from the male anther to the female stigma
  8. 18. the organ that forms seeds of flowering plants
  9. 19. genetically wired behavior that will happen without influence