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  • Gene Flow and Speciation - Duration: 6 minutes, 14 seconds.

    • 2 months ago
    • 1,056 views
    This video coordinates with IB Biology topic 10.3 Gene Flow and Speciation
  • Translation (advanced) - Duration: 5 minutes, 49 seconds.

    • 3 months ago
    • 637 views
    Learn about translation and protein structure in this video! (Corresponds with IB Biology HL topic 7.3)
    • CC
  • Transcription and Gene Expression - Duration: 6 minutes, 40 seconds.

    • 3 months ago
    • 4,633 views
    Learn about the factors effecting gene expression and the control of gene expression during and after transcription in this video! (Correlates with IB Biology AHL topic 7.2)
    • CC
  • DNA Replication and Sequencing - Duration: 5 minutes, 24 seconds.

    • 3 months ago
    • 956 views
    (advanced) Learn about DNA replication in prokaryotes and the enzymes involved, and how DNA is sequenced by scientists in this video! (Correlates with parts of IB Biology HL topic 7.1)
    • CC
  • Uncovering the Structure of DNA - Duration: 4 minutes, 35 seconds.

    • 3 months ago
    • 700 views
    Learn about the Hershey Chase experiment, Rosalind Franklin’s X-ray diffraction and the formation of nucleosomes in this video! (Correlates with parts of IB Biology HL Topic 7.1)
    • CC
  • Photosynthesis (advanced) - Duration: 7 minutes, 6 seconds.

    • 1 year ago
    • 3,911 views
    Learn about the light dependent and independent reactions of photosynthesis in this video!
    • CC
  • Cellular Respiration (advanced) - Duration: 7 minutes, 18 seconds.

    • 1 year ago
    • 2,703 views
    Learn a detailed account of aerobic cellular respiration in this video!
  • Energy Conversions in Biology - Duration: 3 minutes, 51 seconds.

    • 1 year ago
    • 1,964 views
    Learn about phosphorylation and oxidation/reduction in this video!
  • Enzyme Actions - Duration: 5 minutes, 38 seconds.

    • 1 year ago
    • 2,664 views
    Learn about enzymes and inhibitors in this video!
  • Drugs and the Nervous System - Duration: 5 minutes, 40 seconds.

    • 1 year ago
    • 5,820 views
    Learn about how various drugs affect the nervous system in this video!
  • Action of Neurotransmitters - Duration: 4 minutes, 6 seconds.

    • 1 year ago
    • 2,820 views
    Learn about the excitatory and inhibitory actions of fast and slow neurotransmitters in this video!
  • Reflexes - Duration: 3 minutes, 7 seconds.

    • 1 year ago
    • 1,928 views
    Learn about reflexes and reflex arcs in this video!
  • The Ear - Duration: 4 minutes.

    • 1 year ago
    • 893 views
    Learn about the ear, it’s components and functions in this video!
  • The Eye - Duration: 5 minutes, 23 seconds.

    • 1 year ago
    • 1,037 views
    Learn about the eye and how vision is processed in the brain in this video!


    Eye diagram modified from http://open.umich.edu/education/med/resources/second-look...
  • Sensory Receptors - Duration: 3 minutes, 37 seconds.

    • 1 year ago
    • 15,682 views
    Learn about 4 types of sensory receptors, their location, and function in this video!
  • Cerebral Hemispheres - Duration: 3 minutes, 12 seconds.

    • 1 year ago
    • 6,040 views
    Learn about the cerebral hemispheres in this video!


    Homunculus image modified from: https://upload.wikimedia.org/wikipedia/commons/c/c4/1421_...
  • Cerebral Cortex - Duration: 104 seconds.

    • 1 year ago
    • 1,415 views
    Learn about the cerebral cortex in this video!


    Mammal Brains Image modified from:
    CNX OptenStax http://cnx.org/contents/GFy_h8cu
  • Brain Development and Function - Duration: 6 minutes, 43 seconds.

    • 1 year ago
    • 2,397 views
    Learn about the brain and many functions of the brain in this video!


    Images used and modified:
    Embryo photo -Anatomist90 CC https://upload.wikimedia.org/wikipedia/commons/9/9c/Human...
    Ex...
  • Synapses - Duration: 4 minutes, 56 seconds.

    • 1 year ago
    • 26,863 views
    Learn about synapses and how neurotransmitters are used to send messages in this video!
    • CC
  • Action Potentials - Duration: 5 minutes, 12 seconds.

    • 1 year ago
    • 122,063 views
    Learn about the propagation of action potentials in a neuron in this video!
  • Neuron Structure and Function - Duration: 2 minutes, 34 seconds.

    • 1 year ago
    • 8,874 views
    Learn about the structure and function of neurons (the cell of the nervous system) in this video!
    • CC
  • Isomers and Structural Shorthand - Duration: 3 minutes, 50 seconds.

    • 2 years ago
    • 1,860 views
    Learn the basics of isomers, some common mistakes to avoid and how to write organic chemicals in structural shorthand!
  • Convection - Duration: 2 minutes, 22 seconds.

    • 2 years ago
    • 33,767 views
    Learn about convection, it’s driving force and how it works in the atmosphere, ocean and in Earth’s mantle!
  • Density - Duration: 2 minutes, 55 seconds.

    • 2 years ago
    • 3,885 views
    Learn about density, how to calculate it, its units and how temperature and addition of solute can change it in this video!
  • Percent Yield - Duration: 2 minutes, 34 seconds.

    • 2 years ago
    • 20,601 views
    Learn how to calculate percent yield from a stoichiometry problem.
  • Collision Theory - Duration: 2 minutes, 13 seconds.

    • 3 years ago
    • 123,031 views
    Learn about the three parts of collision theory and what it takes for a reaction to occur in this video!
    • CC
  • Types of Chemical Reactions - Duration: 5 minutes, 34 seconds.

    • 3 years ago
    • 73,547 views
    Learn about the five types of chemical reactions (combination, decomposition, single replacement, double replacement and combustion) in this video!
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  • Atomic Mass - Duration: 3 minutes, 36 seconds.

    • 3 years ago
    • 39,441 views
    Learn about atomic mass and how to calculate atomic mass in this video!
    • CC
  • Radiation and Radioactivity - Duration: 8 minutes, 51 seconds.

    • 4 years ago
    • 8,575 views
    Learn about the types of radiation, radioactive decay, half-lives and medical uses of radiation in this video!
  • Fission and Fusion - Duration: 4 minutes, 41 seconds.

    • 4 years ago
    • 103,713 views
    Learn about the basics of fission and fusion, chain reactions, nuclear reactors and nuclear weapons in this video!
  • The Nucleus - Duration: 3 minutes, 3 seconds.

    • 4 years ago
    • 4,269 views
    In this video you’ll learn about the parts of the nucleus, how it stays together and how to write in isotope notation.
  • Evidence for Evolution - Duration: 5 minutes, 26 seconds.

    • 4 years ago
    • 114,580 views
    Learn about the key pieces of evidence for evolution: fossils, anatomical evidence, embryology and biochemical evidence
  • History of Evolutionary Thought - Duration: 2 minutes, 20 seconds.

    • 4 years ago
    • 12,951 views
    Learn about Jean Baptiste de Lamarck, Darwin and Wallace in this video!
  • Solubility Equilibrium - Duration: 4 minutes, 34 seconds.

    • 4 years ago
    • 10,214 views
    Learn about solubility, solubility product constants, common ion effect and predicting if a precipitate will form in this video!
  • Speciation - Duration: 3 minutes, 37 seconds.

    • 4 years ago
    • 9,598 views
    Learn about speciation and patterns of evolution in this video!
  • Types of Natural Selection - Duration: 2 minutes, 22 seconds.

    • 4 years ago
    • 147,423 views
    Learn about the types of natural selection (directional, stabilizing and disruptive) in this video!
  • Equilibrium Constants - Duration: 107 seconds.

    • 4 years ago
    • 2,742 views
    Learn about how to write equilibrium constant expressions and interpret their meaning in this video!
  • Disruption of Genetic Equilibrium - Duration: 4 minutes, 9 seconds.

    • 4 years ago
    • 5,949 views
    Learn about the disruption of Hardy-Weinburg equilibrium in this video! Includes information about mutation, migration, gene flow, genetic drift, small populations, sexual selection and artificial ...
  • Le Châtelier - Duration: 2 minutes, 48 seconds.

    • 4 years ago
    • 2,833 views
    Learn about Le Châtelier’s principle and how to apply it to reversible reactions in this video!
  • Reversible Reactions - Duration: 3 minutes, 28 seconds.

    • 4 years ago
    • 3,031 views
    Learn about reversible reactions in dynamic equilibrium in this video!
  • Allele Frequencies - Duration: 4 minutes, 40 seconds.

    • 4 years ago
    • 12,423 views
    Learn about the simple calculation of allele frequencies in a gene pool, hardy-weinberg assumptions and the difference between acclimation and adaptation in this video!
  • Population Genetics - Duration: 2 minutes, 45 seconds.

    • 4 years ago
    • 20,672 views
    Learn about the very basics of population genetics (microevolution) in this video!
  • Succession - Duration: 104 seconds.

    • 4 years ago
    • 18,357 views
    Learn about the types of succession (primary and secondary) and the process of succession in this video!
  • Salts in Solution - Duration: 2 minutes, 32 seconds.

    • 4 years ago
    • 1,398 views
    Learn about salts in solution, equivalence points other than 7 and buffers in this video!

    transcript
    _______________
    Salts contain an anion from an acid and a cation from a base
    Acids and bases mi...
  • Species Interactions - Duration: 4 minutes, 9 seconds.

    • 4 years ago
    • 44,087 views
    Learn about predator-prey relationships, interspecific competition, infraspecific competition, competitive exclusion principle, resource partitioning and symbiosis (mutualism, commensalism and para...
  • Titrations - Duration: 2 minutes, 23 seconds.

    • 4 years ago
    • 3,932 views
    Learn about the basics of titrations and the steps to perform them in this video!

    transcript
    ___________________
    when a strong acid and a strong base are mixed together, a neutralization reaction ...
  • Strength of Acids and Bases - Duration: 117 seconds.

    • 4 years ago
    • 6,457 views
    Learn about how the strength of acids and bases are determined in this video!

    transcript
    ____________________
    not all acids and bases are the same. Some are stronger some are weaker.
    We can figur...
  • Population Dynamics - Duration: 4 minutes, 35 seconds.

    • 4 years ago
    • 38,262 views
    Learn how to calculate growth rate, interpret growth diagrams, survivorship curves, population pyramids (age structures), exponential and logistic growth in this video!
  • Hydrogen Ions and Acidity - Duration: 5 minutes, 15 seconds.

    • 4 years ago
    • 25,450 views
    Learn about the basis of the pH scale and how to do some pH and pOH calculations in this video!

    Transcript
    _____________________
    When water gains a hydrogen ion, it becomes hydronium, H3O+. When w...
  • Energy Transfer in Trophic Levels - Duration: 2 minutes, 42 seconds.

    • 4 years ago
    • 180,630 views
    Learn about producers, consumers (herbivores, carnivores and omnivores), decomposers (detritivores), energy transfer and energy loss, and food chains and food webs in this video!
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