Across
- 3. Term for return a species to its original habitat
- 8. Caused by backcrosses; DNA containing gene of another species
- 10. Form of breeding in zoos or gardens
- 11. Endangered; population of fewer than 250 adults
- 14. Male leopard and female lion
- 16. Mythical natural hybrid found in Africa
- 17. Male lion and female tiger
- 19. Male lion and female leopard
- 20. Female tigon and male tiger
Down
- 1. Laws that aid in saving endangered species
- 2. Category of animals faces one-third of all extinctions
- 4. Population of a species is zero
- 5. Type of hybrid found in nature
- 6. Biological species concept makes this difficult
- 7. Population decline of 30%-50% over 10 years
- 9. What is preserved by the Frozen Ark Project
- 12. Male tiger and female lion
- 13. Category of species designation with fewer than 2,500 adults
- 15. Caused by hybrids
- 18. This and range help in designating level of endangerment of a species