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• 9849 - Stretch and Challenge Articles for Pearson Edexcel IG Biology Pack 1

Weblinks and videos for use with 9849 – Stretch and Challenge Articles for Pearson Edexcel IG Biology Pack 1

1: The Very Hungry Eukaryote!

• Understanding Evolution - It Takes Teamwork: How Endosymbiosis Changed Life on Earth

2: The Life and Times of Good Bacteria

• All About Microbes

3: Viral Diseases – Ebola

• WHO - Ebola

4: Stem Cells – Growing the Future of Medicine

• BBSCR - Stem Cells Science and Ethics

5: Digestive Enzymes, Clean Clothes and Smelly Cheese

• Infinita Biotech - Top 5 Industrial Uses of Enzymes

6: The Life Osmotic

• Salt regulation in freshwater and seawater fish

7: Carnivores in the Plant World

• The Eden Project - Carnivorous Plants Facts

8: The Oxygen Apocalypse!

• Scientific American - The Origin of Oxygen in Earth's Atmosphere

9: Holes in Stomachs

• Atlantic Digestive - Acid Reflux Fact Sheet

10: Diets: Are All Diets Good Diets?

• NHS - Live Well

11: Lactic Acid – the Enemy of Athletes?

• EurekAlert! - Lactic Acid

12: Catching a Breath

• Shmoop - Animal Respiration

13: Diseases of Blood: Sickle-cell Disease

• Sickle Cell Society

14: Influenza vs Humanity; the Fight Continues

• WHO - Immunisation

15: Having a Change of Heart

• British Heart Foundation - Publications

16: Alzheimer’s Disease

• Alzheimer's Research UK
• The Frontal Lobe of Phineas Gage

17: Seeing the Bigger Picture

• The Science of Vision

18: Sights for Sore Eyes

• RNIB - Eye Conditions

19: Amazing Thermoregulation

• National Geographic - Deep Sea Hydrothermal Vents
• Harvard University - Deep Sea Hydrothermal Vents

20: Sweet Dream Monotremes – Platypus Venom and Diabetes

• Diabetes UK