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6. What is evolution?
- Changing naturally over a period of time
- Increased level of greenhouse gases
- Protection against infection
- A relationship between organisms
7. What is the effect of Ectasy?
- Increases blood pressure and heart rate
- Blindness
- Tiredness
- Deafness
8. What is variation?
- The fertilisation of an egg by a sperm
- The differences between individuals or the same species
- The difference between organisms
- The difference between genes
9. What can the alcohol intake lead to?
- An upset stomache
- Pain in the lower leg
- Dehydration
- Headache
10. What is an enzyme?
- A species that has died out
- A genetic disorder
- A protein molecule and biologicl catalyst found in living organisms that helps chemical reactions to take place
- A liquid that changes into a gas by heating
11. What is the increased long term risk of Ectasy?
- The increased chance of a heart attack
- Increased risk of a stroke
- High blood pressure
- Loss of vision
12. What is transpiration?
- Transportation of blood to the heart
- The genetic makeup of a an organism
- The evaporation of water from plants
- A pair of identical alleles
13. What is the nervous system?
- The process by which many useful products are made
- The brain and spinal cord allows an organism to react to its surroundings and coordinates its responses
- Components of the environment
- The nucleus
14. What is the definition of an organ?
- Produces energy from food
- Made of tissues
- The fertilisation of an egg by a sperm
- A blood vessel
15. What does cannabis reduce whilst nicotine increases?
- Headaches
- Concentrated urine
- Blood pressure
- Heart rate
16. What is a placebo?
- A disease causing microorganism
- A non-effective dummy pill or treatment
- A drug injected into the skin
- A muscular organism
17. What is DNA?
- The fusion of a male gamete with a female gamete
- The nucleic acid molecules that make up chromosomes and carry genetic information
- A blood vessel that connects arteries to veins
- The increase of global temperature
18. What is homeostasis?
- A substance that releases energy when burned in the presence of oxygen
- The maintanence of constant internal conditions in the body
- A genetic test
- A gas in the Earth's atmosphere
19. How does Ectasy make you feel?
- Makes you feel terrified
- Makes you feel euphoric
- Makes you feel upset
- Makes you feel unconcious
20. What are the two types of respiration?
- Aerobic and Anaerobic
- Glucose and Oxygen