Across
- 2. Gregor Mendel conducted his studies in a _________.
- 4. Which development led to people building permanent homes?
- 5. Where does aspirin come from?
- 6. Before agriculture, people got food from hunting and _________.
Down
- 1. What did Gregor Mendel use to discover the laws of inheritance?
- 2. Opium poppies are used to make what drug?
- 3. Which kind of wood is best for building homes, due to it's hard and sturdy characteristics?