Tabs mean corrections. Do not remove. Fill in your pink sheets and make corrections in red pen. Punctuation—Go back and correct any mistakes Spelling—Highlighted words need to be written out correctly at least five times in the back of your book (use a dictionary to help) Punctuation—Go back and correct any mistakes Spelling—Highlighted words need to be written out correctly at least five times in the back of your book (use a dictionary to help)

Topic 3 Revision How many lessons do we have left? 12 11 1 10 Friday, 16 November 2018 2 1 min 6 min 3 min 7 min 2 min 10 min 9 min 4 min 8 min 5 min 9 3 Topic 3 Revision 50 s 30 s 10 s 30 s 20 s 40 s 50 s 10 s 40 s 20 s 50 s 20 s 50 s 20 s 50 s 30 s 30 s 20 s 30 s 40 s 30 s 30 s 20 s 30 s 20 s 10 s 40 s 40 s 20 s 40 s 40 s 50 s 10 s 10 s 40 s 10 s 10 s 50 s 10 s 30 s 50 s 20 s 10 s 20 s 40 s 30 s 50 s 40 s 10 s 50 s 8 4 7 5 6 How many lessons do we have left? Have you started revising seriously?

What do I need to revise? Topic 3 Drugs Parasitism and mutualism Smoking and alcohol Recycling and pollution Infectious disease Indicator species Antiseptics and antibiotics Carbon cycle Energy and biomass Nitrogen cycle

Numbers 1 to 10 in your books… Starter: QUICK QUIZ Numbers 1 to 10 in your books…

1. Which type of drug speeds up reactions? Starter: 1. Which type of drug speeds up reactions?

2. Alcohol is an example of which type of drug? Starter: 2. Alcohol is an example of which type of drug?

Starter: 3. What is a vector?

4. What is a parasitic relationship? Starter: 4. What is a parasitic relationship?

5. Name two clean water indicators. Starter: 5. Name two clean water indicators.

6. What causes eutrophication? Starter: 6. What causes eutrophication?

7. What ingredient in cigarettes causes lung cancer? Starter: 7. What ingredient in cigarettes causes lung cancer?

8. What ingredient in cigarettes makes them addictive? Starter: 8. What ingredient in cigarettes makes them addictive?

9. Which cell does carbon monoxide bind to? Starter: 9. Which cell does carbon monoxide bind to?

10. What do plants make using nitrates? Starter: 10. What do plants make using nitrates?

What does caffeine do to reaction times? Speeds up What type of drug is alcohol? Depressant What is a vector? Animal that transmits disease What is a parasitic relationship? One organism benefits What is a pathogen? Disease-causing organism Name two polluted water indicator species. Bloodworm, sludgeworm Name two unpolluted water indicator species. Stonefly larvae, freshwater shrimp What cigarette ingredient causes lung cancer? Tar Why is it difficult to quit smoking? Nicotine is addictive What do stimulants do? Speed up reactions What cells does carbon monoxide bind to? Red blood cells What chemical binds to carbon monoxide? Haemoglobin Why do plants need nitrates? To make protein to grow What is cirrhosis? Liver damage What causes cirrhosis? Alcohol abuse What do fertilisers contain? Nitrates and phosphates What is the rapid growth of algae called? Algal bloom What does an algal bloom block out? Sunlight

Stimulant, depressant, hallucinogen, painkiller Name 4 types of drugs. Stimulant, depressant, hallucinogen, painkiller How does alcohol affect your reaction time? Slows it down What type of drug is aspirin? Painkiller What type of drug is LSD? Hallucinogen Name 3 ingredients in cigarette smoke. Tar, carbon monoxide and nicotine Name 4 types of pathogen. Bacteria, protozoa, virus and fungi How is cholera spread? (contaminated) Water What type of pathogen causes cholera? Bacteria How is Salmonella/food poisoning spread? (contaminated) Food What type of pathogen is Salmonella? How is athlete’s foot spread? (direct) Contact What type of pathogen causes athlete’s foot? Fungus How is flu spread? Airborne droplets What type of pathogen causes flu? Virus How is HIV spread? Bodily fluids What type of pathogen causes HIV? How is malaria spread? Vector What organism carries malaria? Mosquito

Name 3 physical barriers which prevent infection. Skin, mucus, clots/scabs How do tears prevent infection? Lysozymes destroy bacteria How does the stomach prevent infection? Hydrochloric acid destroys bacteria What is tea tree oil? Antibacterial substances produced by plants State the use of antiseptics. Used outside the body to prevent infection State the use of antibiotics. Used inside the body to treat infection How do antibiotics work? Kill or prevent bacteria/ fungi from growing Name a bacterium which is resistant to antibiotics. MRSA What is a mutualistic relationship? Both organisms benefit What do fleas and head lice feed on? Their host’s blood What is the effect of having a tapeworm? Malnutrition Where do tapeworms live? Intestines What do both oxpeckers and cleaner fish gain from their host? Food/nutrients What does the oxpecker’s host gain? Warning of predators Where do chemosynthetic bacteria live? Inside tubeworms What do chemosynthetic bacteria provide its host? What do tubeworms provide for the chemosynthetic bacteria? Protection Where do tubeworms live? Hydrothermal vents

What happens to dead plants and animals? They decompose What do underwater plants need to photosynthesis? Sunlight What happens to dead plants and animals? They decompose How is energy lost from the food chain? Respiration, excretion, reproduction What do legumes receive from nitrogen-fixing bacteria? Nitrates What do nitrogen-fixing bacteria gain from legumes? Nutrients/sugars How do fertilisers cause pollution? Eutrophication What pollutant causes acid rain? Sulphur dioxide What pollutant affects the presence of lichen and blackspot fungus? Name 3 commonly recycled materials. Paper, plastic, metal Name two air pollution indicator species. Lichen and blackspot fungus What process takes in CO2 from the atmosphere? Photosynthesis Name 4 processes which add CO2 to the atmosphere. Respiration, combustion, decay, volcanic activity What organisms photosynthesise? Plants What organisms respire? Plants, animals and bacteria What is the role of lightning in the nitrogen cycle? Converts nitrogen into nitrates State the role of nitrifying bacteria. Convert ammonia into nitrates State the role of denitrifying bacteria. Convert nitrates to nitrogen State the function of nitrogen-fixing bacteria. Fix nitrogen for legumes

(Whiteboard quiz based on the questions which most pupils got wrong) Plenary: (Whiteboard quiz based on the questions which most pupils got wrong)