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IGCSE · Edexcel (Int)

Biology

Biology

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1.1 - Kingdoms of Life

1.2 - Cell Structure

1.3 - Characteristics of Living Organisms

1.4 - Cell Organisation

1.5 - Enzymes - Introduction

1.6 - Factors Affecting Enzyme Action

1.7 - Diffusion

1.9 - Active Transport

1.10 - Surface Area to Volume Ratio

1.11 - Specialised Exchange Surfaces

2.1 - Balanced Diet (Food Groups)

2.2 - Biological Molecules

2.3 - Food Tests (Practical)

2.4 - Digestive Enzymes

2.5 - Digestive System

3.1 - Plant Cell Organisation

3.2 - Photosynthesis

3.3 - Factors Affecting Photosynthesis

3.4 - Minerals for Healthy Growth

3.5 - Transpiration & Translocation

4.1 - Aerobic & Anaerobic Respiration

4.2 - Lungs & Gas Exchange

4.3 - Ventilation Mechanisms

5.1 - Circulatory System 1 - Heart

5.2 - Circulatory System 2 - Blood Vessels

5.3 - Circulatory System 3 - Blood

5.4 - Immune System & Defences

5.5 - Cardiovascular Disease

6.1 - The Nervous System, Synapses & Reflexes

6.2 - Eyes 1 - Eye Structure & Iris Reflex

6.3 - Eyes 2 - Accommodation & Visual Defects

6.4 - Endocrine System

6.5 - Adrenaline

6.6 - Homeostasis

6.7 - Thermoregulation

6.8 - Plant Hormones - Auxins

7.1 - DNA 1 - Chromosomes, Genome & Migration

7.2 - DNA 2 - Key Terms

7.3 - Sexual & Asexual Reproduction

7.6 - Plant Reproduction (Anatomy & Pollination)

7.7 - Fertilisation, Dispersal & Germination

7.8 - Seeds & Germination

7.9 - Reproductive Hormones - Puberty & Menstrual Cycle

7.10 - Genetic Diagrams & Punnet Squares

7.11 - Family Trees

7.12 - Variation & Evolution

7.13 - Antibiotic Resistance

8.1 - Competition & Interdependence

8.2 - Abiotic & Biotic Factors

8.3 - Investigating Abundance & Distribution

8.4 - Food Chains & Foodwebs

8.5 - Trophic Levels

8.6 - Pyramids of Biomass

8.7 - Carbon Cycle & Water Cycle

8.8 - Global Warming

8.9 - Eutrophication

9.1 - Bacteria & Making Yogurt

9.2 - Fermenters

9.3 - Selective Breeding

9.4 - Genetic Modification (Genetic Engineering)

9.5 - GMOs & Population Growth

10.1 - Enzymes & Temperature

10.2 - Photosynthesis - Pondweed

10.3 - Photosynthesis - Starch

10.4 - Respiration Rates

10.5 - Food Tests

10.6 - Germination Conditions

10.7 - Anaerobic Respiration in Yeast