O Level 5090 Notes Better - Biology

Creating effective O Level Biology (5090) notes is about more than just copying the textbook; it's about condensing the vast syllabus into actionable study tools. For the 2023–2025 syllabus

Passive reading is the enemy of retention. Better notes use Summary Tables to compare similar but distinct processes. biology o level 5090 notes better

5. Reproduction

Asexual vs. Sexual Reproduction

• Asexual: One parent; genetically identical offspring (clones). Fast process. (e.g., binary fission, budding, cuttings).
• Sexual: Two parents; fusion of gametes; genetic variation. Slower process.

| Condition | Blood water potential | ADH release | Collecting duct permeability | Urine volume | |-----------|----------------------|-------------|------------------------------|--------------| | Hydrated | High | Low | Low | High, dilute | | Dehydrated | Low | High | High | Low, concentrated | Creating effective O Level Biology (5090) notes is