1. What is the main gas found in the air we breathe?

2. What type of rock often contains fossils?

3. Which animal is known for having a pouch to carry young?

4. What organelle is called the “brain” of the cell?

5. Which family of birds includes crows, ravens, and jays, known for their high intelligence?

6. How many times must a trigger hair be touched within 20 seconds for a Venus Flytrap to snap shut?

7. What is the name of the rim around the top of a pitcher plant that becomes slippery when wet?

8. What is the term for the low-frequency sounds elephants use to communicate over long distances?

9. What is the primary function of the silver hairs on the Saharan silver ant?

10. What are the chemical signals plants release into the air to communicate called?

11. What connects the thousands of trees that make up the Pando colony?

12. What does the term 'dioecious' mean in the context of the Ginkgo tree?

13. What are the bony structures in a falcon's nostrils that allow it to breathe during high-speed dives?

14. What is the term for a plant's ability to generate its own heat, as seen in the Titan Arum?

15. How long does it typically take for a sandalwood tree to mature enough for harvesting?

16. Which country strictly regulates the harvesting of Indian sandalwood?

17. Sandalwood has historically been carved into what type of objects?

18. Which form of sandalwood product is most commonly used in perfumes?

19. Sandalwood oil is often classified as what type of fragrance note?

20. Which property makes sandalwood ideal for incense?