guess me?

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Across
  1. 3. what is a female fox called?
  2. 5. what animal can't jump?
  3. 8. what kind of animal cannot stick their tongue out?
  4. 9. what mammal has the most powerful bite?
  5. 11. what is the only mammal capable of true flight?
  6. 13. which sea creature can change its gender?
  7. 15. what is the closest living relative to the T-rex?
  8. 17. what animal has the highest blood pressure?
  9. 19. what birds can fly backward
Down
  1. 1. a rhinoceros' horn is made from what?
  2. 2. what type of fish mate for life?
  3. 4. what animal can't fart?
  4. 6. the age of a lion can determine by its...?
  5. 7. what color of polar bear skin?
  6. 10. which animal has 4 noses?
  7. 12. how many years can a snail sleep?
  8. 14. what is the fastest sea animal?
  9. 15. what is a male swan called?
  10. 16. The heart of shrimp is located at?
  11. 18. what type of farm animal can sunburn?
  12. 20. what is the deadliest creature in the world?