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Unit 7 of 7

Additional lessons

IB Biology SL · 142 lessons · 0 quizzes

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1.3.2

Cell Theory- Skills20 min

1.3.3

Microscopes20 min

1.3.9

Cell Types and Structures- Skills20 min

1.3.10

Drawing Cells- Skills20 min

1.5.2

Evidence of Evolution20 min

1.5.3

Convergent Evolution20 min

1.6.2

Reasons for Extinction20 min

1.6.3

Ecosystem Loss20 min

1.6.4

Loss of Biodiversity20 min

1.6.5

How to Preserve Biodiversity20 min

2.1.1

Properties of Carbon20 min

2.1.2

Macromolecules20 min

2.1.3

Carbohydrates: Definition, Functions and Examples20 min

2.1.4

Role of Glycoproteins20 min

2.1.6

Fatty Acids20 min

2.1.7

Phospholipids20 min

2.2.1

Formation of Proteins20 min

2.2.2

The Variety of Proteins20 min

2.2.3

Protein Structure: Effect of pH and Temperature20 min

2.3.1

Lipid Bilayers20 min

2.3.2

Membrane Proteins20 min

2.3.4

Glycolipids and Glycoproteins20 min

2.3.5

The Fluid Mosaic Model: Skills20 min

2.4.1

Cell Organelles20 min

2.4.2

Cell Compartmentalisation20 min

2.5.1

Stem Cells20 min

2.6.1

Gas Exchange in Organisms20 min

2.6.2

Mammalian Lungs: Adaptations20 min

2.6.3

Mechanism of Ventilation20 min

2.6.4

Measuring Lung Volumes: Skills20 min

2.6.5

Gas Exchange in Plants20 min

2.6.6

Drawing Leaf Structure: Skills20 min

2.6.7

Determining Stomatal Density: Skills20 min

2.7.1

Blood Vessels20 min

2.7.2

Identifying Blood Vessels20 min

2.7.3

Measuring Pulse Rate20 min

2.7.4

Coronary Heart Disease20 min

2.7.5

The Transpiration Stream20 min

2.7.6

Adaptations of Xylem Vessels20 min

2.7.7

Drawing Root and Stem Structure20 min

2.8.1

2.8.2

Abiotic Factors and Species Distribution20 min

2.8.3

Species Distribution Skills20 min

2.8.4

Abiotic Factors in Marine and Terrestrial Habitats20 min

2.8.5

Biomes20 min

2.9.2

Methods of Nutrition20 min

2.9.3

Nutrition in Hominidae20 min

2.9.4

Nutrition: Adaptations of Organisms20 min

2.9.5

Competition Between Species20 min

3.1.1

Metabolism: Enzymes and Reactions20 min

3.1.2

Enzyme Action20 min

3.1.3

Enzyme Activity Skills20 min

3.1.4

Enzyme Reaction Rates Skills20 min

3.1.5

Activation Energy Skills20 min

3.2.1

Adenosine Triphosphate (ATP)20 min

3.2.3

Cell Respiration Skills20 min

3.3.2

Separating Photosynthetic Pigments20 min

3.3.3

Absorption Spectra20 min

3.3.4

Absorption and Action Spectra Skills20 min

3.3.5

Limiting Factors of Photosynthesis20 min

3.3.6

Carbon Dioxide Enrichment Experiments20 min

3.4.2

Nerve Impulses20 min

3.4.3

Nerve Impulses: Skills20 min

3.4.4

3.5.1

Integration in Living Organisms20 min

3.5.2

The Nervous System20 min

3.5.3

Reflex Arc and Movement Control20 min

3.5.4

Epinephrine and Melatonin20 min

3.5.5

Control Mechanisms20 min

3.6.1

Pathogens20 min

3.6.2

Barriers to Pathogens: Skin and Mucous Membranes20 min

3.6.3

Blood Clotting20 min

3.6.4

The Immune System20 min

3.6.5

White Blood Cells20 min

3.6.6

Adaptive Immune Response20 min

3.6.7

HIV and AIDS20 min

3.6.8

Antibiotics20 min

3.6.9

Antibiotic Resistance20 min

3.6.10

3.6.11

Vaccines and Immunity20 min

3.6.12

Evaluating COVID-19 Data: Skills20 min

3.7.1

Populations in Ecosystems20 min

3.7.2

Estimating Population Size20 min

3.7.3

Limiting Population Size20 min

3.7.4

Limiting Population Size: Examples20 min

3.7.5

Population Growth Curves: Skills20 min

3.7.6

Populations: Intraspecific Relationships20 min

3.7.7

Community: Interspecific Relationships20 min

3.7.8

Interspecific Competition20 min

3.7.9

Chi-Squared Test: Skills20 min

3.8.1

Ecosystems as Open Systems20 min

3.8.2

Energy Flow in Ecosystems20 min

3.8.3

Obtaining Carbon Compounds in Ecosystems20 min

3.8.4

Trophic Levels20 min

3.8.5

Pyramids of Energy: Skills20 min

3.8.6

Energy Losses20 min

3.8.7

Primary and Secondary Production20 min

3.8.8

The Carbon Cycle20 min

3.8.9

Nutrient Cycling20 min

4.1.2

Electrophoresis and PCR20 min

4.1.3

Electrophoresis and PCR: Applications20 min

4.2.1

Transcription in Protein Synthesis20 min

4.2.2

Translation in Protein Synthesis20 min

4.2.3

The Genetic Code20 min

4.2.4

Protein Structure and Mutations20 min

4.3.1

Gene Mutations20 min

4.3.2

Consequences of Gene Mutations20 min

4.3.3

Mutations and Genetic Variation20 min

4.4.1

Cell Division20 min

4.4.3

4.4.4

Mitosis: Skills20 min

4.4.5

4.5.1

4.5.2

Osmosis in Cells20 min

4.5.3

Osmosis: Skills20 min

4.6.1

Sexual and Asexual Reproduction20 min

4.6.2

Sexual Reproduction20 min

4.6.3

The Menstrual Cycle20 min

4.6.4

Fertilisation20 min

4.6.5

Plant Reproduction20 min

4.6.6

Pollination20 min

4.6.7

Seed Dispersal and Germination20 min

4.7.1

Genetic Inheritance and Genetic Crossing20 min

4.7.2

Inheritance: Terminology20 min

4.7.3

Inheriting Alleles20 min

4.7.4

Sex Determination20 min

4.7.5

Pedigree Charts20 min

4.7.6

Continuous Variation: Skills20 min

4.8.1

Homeostasis: Maintaining the Internal Environment20 min

4.8.2

Regulation of Blood Glucose20 min

4.8.3

Thermoregulation20 min

4.9.1

Natural Selection and Evolution20 min

4.9.2

Selection Pressures20 min

4.9.3

Selection Pressures: Skills20 min

4.10.1

Stability in Ecosystems20 min

4.10.2

Ecosystem Stability: Skills20 min

4.10.3

Keystone Species20 min

4.10.4

Sustainability in Ecosystems and Agriculture20 min

4.10.5

Eutrophication20 min

4.10.6

The Effects of Pollution20 min

4.10.7

Restoring Ecosystems20 min

4.11.3

Carbon Sequestration20 min