Across
- 1. These underwater predators have existed before trees
- 5. Tallest mountain in the solar system, located on Mars
- 7. Your ears and ____ never stop growing
- 8. This country is only 2 miles away from Alaska
- 10. A day on this planet is longer than its year
- 15. This queen lived closer to the opening of the first McDonald's than she did to the construction of the Great Pyramids of Giza
- 16. Identical twins don't have this in common
- 17. This crustaceans heart is located in its head
Down
- 2. The only bird that can fly backwards
- 3. This food can never spoil
- 4. Scotland's national animal is this
- 6. This animal can sleep up to 3 years
- 9. Around 80% of all life on earth are _______
- 11. Most people in the world can't lick this part of their body
- 12. This animal can hold their breath longer than a dolphin
- 13. the human body is made up of 60% of this
- 14. the only part of the body that is fully grown at birth