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6. Taking cuttings from plants are...

  • Quick and cheap
  • Quick and expensive
  • Long and cheap

7. What is the carbon cycle?

  • A cycle which recycles the carbon and energy within the atmosphere
  • The cycle where energy is lost through the stages of the food chain.

8. What are chromosomes?

  • Genetic material
  • Nucleus
  • Made up of DNA

9. What is variation?

  • The change within a species
  • The change of each species

10. How many pairs of chromosomes are there?

  • 23 pairs
  • 16 pairs
  • 22 pairs
  • 46 pairs

11. How is most energy lost?

  • Through death
  • Through Heat
  • Through waste
  • Through respiration

12. What is the producer?

  • Produces oxygen.
  • The organism which begins the food chain
  • Produces food