Amoeba Sisters Courses

Stroll Through the Playlist - A Biology Review

A brisk biology refresher connects core concepts from cells and genetics to evolution, ecology, plants, and human body systems.

• YouTube
• 41 minutes
• Self-Paced
• Free Video

Ecology Review: Food Chains, Food Webs, and Biogeochemical Cycles

Explore essential ecological concepts from food chains and energy flow to biogeochemical cycles, while understanding human impacts on biodiversity and conservation strategies.

• YouTube
• 17 minutes
• Self-Paced
• Free Video

Conduction System of the Heart

Explore how the heart's electrical system works, from SA node pacemaker cells to Purkinje fibers, including action potentials and ECG basics in this engaging biology tutorial.

• YouTube
• 12 minutes
• Self-Paced
• Free Video

Mitosis and Meiosis - Cell Division

Discover the fascinating world of cell division through detailed explanations of mitosis, meiosis, and the cell cycle, plus learn accurate chromosome counting techniques.

• YouTube
• 51 minutes
• Self-Paced
• Free Video

Amoeba Sisters Biology Review Videos

Explore comprehensive biology concepts through interactive review sessions covering genetics, cell structures, ecology, and biodiversity with engaging Q&A format.

• YouTube
• 1 hour 21 minutes
• Self-Paced
• Free Video

Before the Bell Biology - Comprehensive Review Series

Discover quick biology review sessions covering enzymes, cell structures, genetics, and human systems with illustrated explanations and optional study materials.

• YouTube
• 2 hours 6 minutes
• Self-Paced
• Free Video

Genetic Series - Mendelian and Non-Mendelian Genetics

Explore Mendelian and non-Mendelian genetics through monohybrids, dihybrids, incomplete dominance, codominance, sex-linked traits, pedigrees, multiple alleles, and epistasis concepts.

• YouTube
• 1 hour 19 minutes
• Self-Paced
• Free Video

Menstrual Cycle - Phases and Hormonal Regulation Walkthrough

Explore the menstrual cycle's phases and hormonal regulation through detailed explanations of ovarian and uterine cycles, including key hormones GnRH, FSH, LH, estradiol, and progesterone.

• YouTube
• 13 minutes
• Self-Paced
• Free Video

Action Potential: Understanding Neural Signaling Mechanisms

Explore the action potential process in excitable cells, from resting membrane potential through depolarization, repolarization, and hyperpolarization, including ion channel functions and signal propagation in neurons.

• YouTube
• 11 minutes
• Self-Paced
• Free Video