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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