Biology Animations

            The Mammalian Kidney, Reflex Arcs, The Ovarian and Uterine Cycles, Life Cycle of a Moss, Pregnancy Test,

            Simple Stimuli Trigger Fixed Behaviors, Time-Compensated Solar Compass,

            Blood Flow through the Human Heart,

Botany - Life Cycle of [Moss, Conifer, Zygomycete, Cnidarian]

            Secondary Growth: The Vascular Cambium, The Pressure Flow Model, Nitrogen and Iron Deficiencies, Tropisms

            Went's Experiment, Auxin Affects Cell Walls, Double Fertilization, The Effect of Interrupted Days and Nights,

            Signaling between Plants and Pathogens,

Ecology - Lotka-Volterra Predator-Prey, Biogeography,

            Behavioral Ecology - The Costs of Defending a Territory, Foraging Behavior

            Population Ecology - Exponential Growth Simulation, Logistic Growth Simulation, Predator-Prey Simulation,

            Habitat Fragmentation,

            Communities and Ecosystems - Primary Succession on a Glacial Moraine

            Biogeography - Rain Shadow, Biomes, Biogeography Simulation

            Earth System Science - Hydrological Cycle, Carbon Cycle, The Ocean Conveyor Belt, Nitrogen Cycle

Development - Embryonic Stem Cells, Early Asymmetry in the Embryo, Pattern Formation in the Drosophila Embryo,

            Gastrulation, Tissue Transplants Reveal the Process of Determination, Modularity,

Evolution - Evolution of the Continents,

            Natural Selection, Hardy-Weinberg Equilibrium, Assessing the Costs of Adaptations,

            Speciation Mechanisms, Founder Events Lead to Allopatric Speciation,

            The Evolution of the Three Domains, Food Vacuoles Handle Digestion and Excretion, Family Tree of Chloroplasts

Zoology - Control, Regulation, and Feedback, Complete Metamorphosis, Hypothalamic-Pituitary-Endocrine Axis

            Hormonal Regulation of Calcium, Fertilization in the Sea Urchin, The Ovarian and Uterine Cycles

            The Resting Membrane Potential, The Action Potential, Synaptic Transmission,

            Sound Transduction in the Human Ear, Information Processing in the Retina,

            Information Processing in the Spinal Cord,

            Molecular Mechanism of Muscle Contraction, Smooth Muscle Action,

            Airflow in Birds, Airflow in Mammals, The Cardiac Cycle,

            The Digestion and Absorption of Fats, Insulin and Glucose Regulation, The Mammalian Kidney,

            Hormonal Control of Sexual Behavior, Circadian Rhythms, Time-Compensated Solar Compass,