Alex Lee

39.8K subscribers

397 videos

I've created videos for the entire IB Biology SL and HL syllabus that I teach including Options A, D, and E. I have used the powerpoints, notebooks, and othe...

Latest Videos

4.4 Climate Change (IB Biology) (Part 3)

4.4 Climate Change (IB Biology) (Part 2)

4.4 Climate Change (IB Biology) (Part 1)

Carbon Cycling (Part 2) (IB Biology)

Carbon Cycling (IB Biology)

Energy Losses (IB Biology)

Chi-squared test for association (IB Biology)

Types of Natural Selection (IB Biology)

B2.4 Skeleton (MS Science) (2017)

Ethology (Part Three) (IB Biology)

Ethology (Part Two) (IB Biology)

Ethology (Part One) (IB Biology)

Drug Addiction and Psychoactive Drugs (IB Biology)

Ecstacy, Endorphins, Anaesthetics (IB Biology)

Excitation and Inhibition (IB Biology)

Memory (IB Biology)

Operant Conditioning (IB Biology)

Imprinting (IB Biology)

Innate Behavior (IB Biology)

Reflex Arc (IB Biology)

Cochlear Implants (IB Biology)

Photoreceptors (IB Biology)

Homonculus and Brain Size (IB Biology)

Red-Green Colorblindness (IB Biology)

Olfactory Receptors (IB Biology)

Development of the CNS (IB Biology)

Autonomic Nervous System (IB Biology)

Cerebral Cortex and Functions (IB Biology)

Development of Neurons (IB Biology)

Spina Bifida and Using Animal Models (IB Biology)