Marine Biology Vocabulary

1234567891011121314151617181920
Across
  1. 2. Releases energy into their surroundings
  2. 3. How sponges reproduce sexually
  3. 4. Free swimming and sexual
  4. 5. A unique hydraulic system found in echinoderms (Starfish)
  5. 7. Mirrored symmetry
  6. 8. A lack of symmetry in an organism's body plan
  7. 9. A tough, flexible connective tissue that provides support and protection
  8. 13. A gas-filled organ in Bony Fish
  9. 15. Lives sessile and asexual
  10. 16. An organ that forms in the womb during pregnancy
  11. 18. Absorbs energy from their surroundings
  12. 20. Internal skeleton
Down
  1. 1. An animal that lacks a backbone
  2. 4. Shedding
  3. 6. An animal with a backbone
  4. 10. A type of egg that has protective membranes
  5. 11. A hard, external covering that protects the body
  6. 12. Modified sweat glands that produce milk
  7. 14. 2 Different body plans
  8. 17. How sponges reproduce asexually
  9. 19. Lives along the seafloor