Across
- 2. What type of diseases do antibiotics treat?
- 5. A fungal infection in animals
- 7. In the modern periodic table, what are the vertical columns called?
- 8. What hormones cause plant roots to grow towards the light?
- 11. What are chains of amino acids folded into the correct shape?
- 12. What name do we give to the organism that is at the bottom of every food chain?
Down
- 1. A type of greenhouse gas
- 3. What respiration occurs without oxygen and produces lactic acid?
- 4. The correct term for both sperm and eggs
- 6. What hormone does the pancreas produce?
- 9. What substance is formed when atoms from two or more different elements combine chemically in a fixed proportion?
- 10. The maintenance of a constant internal environment