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• 9850 - Stretch and Challenge Articles for Pearson Edexcel IG Biology Pack 2

Weblinks and videos for use with 9850 – Stretch and Challenge Articles for Pearson Edexcel IG Biology Pack 2

1: Strange Reproduction: Parthonogenesis and Hermaphrodites

• National Geographic - Why Are These Male Fish Growing Eggs?
• Independent - Pesticides could wipe out frogs by turning them female

2: The Male Pill? Approaches to Male Contraceptive Agents

• NHS - Contraception

3: IVF Advances

• Nature - Northern White Rhino

4: Cracking the Code: Learning from DNA

• Deoxyribonucleic Acid (DNA) Fact Sheet

5: Epigenetics

• Smithsonian - A Brief History of Twin Studies

6: Sexual selection: How did the Peacock get his Tail?

• NHM - Alfred Russel Wallace
• New Scientist - Alfred Russel Wallace

7: Cultural Evolution

• National Geographic - Becoming Jane Goodall

8: The Dawn of the New Antibiotic

• MRSA Action UK

9: Antibiotic Resistance

• BBC - Antibiotics
• The Conversation - Articles on Antibiotic alternatives

10: Keystone Species

• The Keystone Species Concept That Transformed Ecology

11: The True Cost of a Meat-eating Diet

• UN - Water and Food Security

12: Bioremediation

• Understanding Evolution - How Endosymbiosis Changed Life on Earth

13: Conservation: Getting it Right

• Food and Agriculture Organisation of the United Nations
• CGIAR - What are ecosystem services?

14: Mass Extinction

• Science News for Students - What killed the dinosaurs?

15: Selective Breeding: A Canine Catastrophe?

• Windows to the Universe - Evidence for Evolution

16: The Marvellous Tale of the Modified Mosquitoes

• WHO - Dengue and severe dengue

17: Genetic Engineering

• The Guardian - Human embryo gene editing
• Nature - Genome-edited baby claim provokes international outcry

18: Dangerous Drugs and Synthetic Organs

• FDA - The Drug Development Process