Across
- 2. mammals
- 5. bosom
- 6. fish
- 7. jellyfish
- 9. arthropod
- 13. vertebrates
- 14. heterothermic
- 15. boney fish
- 17. intersex
- 20. sea stars
Down
- 1. actinomorphic
- 2. discordance
- 3. exuviate
- 4. gristle
- 8. hydraulic system
- 10. decalescent
- 11. octopus
- 12. sponges
- 16. burgeoning
- 18. afterbirth
- 19. anemone