Biology - Lesson 1

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Across
  1. 3. New organisms produced from a living thing.
  2. 5. Atoms bind together to form larger particles called _________.
  3. 9. A living thing.
  4. 11. Carbon based particles that form the backbone of all life.
  5. 13. Proteins are formed from long chains of _____ _____.
  6. 15. A sugar; the major source of energy for plants and animals.
  7. 16. An organism needs ______ in order to work and cause change.
  8. 17. Fats and oils are made up of molecules called ______.
  9. 18. Less healthy fats which can contribute to heart disease; solid at room temperature; found in meat and dairy products.
Down
  1. 1. Producing offspring.
  2. 2. A substance that can dissolve other substances.
  3. 4. Better fats necessary for proper brain function; liquid at room temperature; found in fish and vegetables.
  4. 6. An unproven hypothesis.
  5. 7. Proteins that speed up reactions by reducing the required energy.
  6. 8. Each unique atom is called an _______ and is listed on the periodic table.
  7. 10. Seems to happen without any external cause.
  8. 12. Sugars, starches and cellulose which our body uses for energy.
  9. 14. Everything is made up of tiny particles called _____.