IB Biology HL - 2024
Key Concepts
In the IB Biology HL (Higher Level) 2024 Key Concepts section, you will find summary videos that will help you review the most important concepts and skills necessary for success. They are ideal for a quick refresher before tackling questions in the Revision Village Questionbank or Practice Exams sections of the website.
Cell Cycle - Mutagens & Cancer
9 mins
Cell Specialisation
15 mins
Cell Structure and Function
11 mins
Mitosis, Cytokinesis & The Cell Cycle
18 mins
Topic 1
Cell Biology
Cell Cycle - Mutagens & Cancer
9 mins
Cell Specialisation
15 mins
Cell Structure and Function
11 mins
Mitosis, Cytokinesis & The Cell Cycle
18 mins
Protein Synthesis
9 mins
Water
15 mins
Carbohydrates and Lipids
12 mins
Structure and Function of Proteins
18 mins
DNA Replication
9 mins
Enzymes
11 mins
Topic 2
Molecular Biology
Protein Synthesis
9 mins
Water
15 mins
Carbohydrates and Lipids
12 mins
Structure and Function of Proteins
18 mins
DNA Replication
9 mins
Enzymes
11 mins
Codons, Degeneracy, and Sickle Cell
10 mins
Inheritance
16 mins
Topic 3
Genetics
Codons, Degeneracy, and Sickle Cell
10 mins
Inheritance
16 mins
Energy in Ecosystems
8 mins
Carbon Cycle
11 mins
Topic 4
Ecology
Energy in Ecosystems
8 mins
Carbon Cycle
11 mins
Evolution and Speciation
14 mins
Topic 5
Evolution & Biodiversity
Evolution and Speciation
14 mins
The Nervous System 1
10 mins
The Cardiovascular System
22 mins
The Nervous System 2
7 mins
The Respiratory System
10 mins
Homeostasis, Hormones and the Menstrual Cycle
12 mins
Topic 6
Human Physiology
The Nervous System 1
10 mins
The Cardiovascular System
22 mins
The Nervous System 2
7 mins
The Respiratory System
10 mins
Homeostasis, Hormones and the Menstrual Cycle
12 mins
The Electron Transport Chain and Chemiosmosis
8 mins
Topic 8
Metabolism, Cell Respiration & Photosynthesis
The Electron Transport Chain and Chemiosmosis
8 mins
The Musculoskeletal System I
7 mins
The Musculoskeletal System II
10 mins
Topic 11
Animal Physiology
The Musculoskeletal System I
7 mins
The Musculoskeletal System II
10 mins
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