Crash Course Biology - Season 1
Season 1
In 40 videos, Hank Green teaches you biology! This course is based on the AP Biology curriculum and also covers some introductory anatomy. By the end of this course, you will be able to:
* Recognize the chemicals, molecules, and structures that make up living things * Understand the processes that keep organisms alive and drive cellular reproduction
* Identify evidence of evolution and explain its role in speciation, development, and anatomy
* Describe the characteristics of the different kingdoms and some phyla that make up the taxonomy of living things
* Predict how the interactions between molecules, cells, organisms, and populations contribute to larger systems
Network
DatesJan 30, 2012 - Oct 29, 2012
Episodes
Season 1Episode 115 min
That's Why Carbon Is A Tramp
And thus begins the most revolutionary biology course in history. Come and learn about covalent, ionic, and hydrogen bonds. What about electron orbitals, the octet rule, and what does it all have to do with a mad man named Gilbert Lewis? It's all contained within.
Jan 30, 2012
Season 1Episode 215 min
Water - Liquid Awesome
Hank teaches us why water is one of the most fascinating and important substances in the universe.
Feb 6, 2012
Season 1Episode 315 min
Biological Molecules - You Are What You Eat
Hank talks about the molecules that make up every living thing - carbohydrates, lipids, and proteins - and how we find them in our environment and in the food that we eat.
Feb 13, 2012
Season 1Episode 415 min
Eukaryopolis - The City of Animal Cells
Hank tells us about the city of Eukaryopolis - the animal cell that is responsible for all the cool things that happen in our bodies.
Feb 20, 2012
Season 1Episode 515 min
In Da Club - Membranes & Transport
Hank describes how cells regulate their contents and communicate with one another via mechanisms within the cell membrane.
Feb 27, 2012
Season 1Episode 615 min
Plant Cells
Hank describes why plants are so freaking amazing - discussing their evolution, and how their cells are both similar to & different from animal cells.
Mar 5, 2012
Season 1Episode 715 min
ATP & Respiration
In which Hank does some push ups for science and describes the "economy" of cellular respiration and the various processes whereby our bodies create energy in the form of ATP.
Mar 12, 2012
Season 1Episode 815 min
Photosynthesis
Hank explains the extremely complex series of reactions whereby plants feed themselves on sunlight, carbon dioxide and water, and also create some by products we're pretty fond of as well.
Mar 19, 2012
Season 1Episode 915 min
Heredity
Hank and his brother John discuss heredity via the gross example of relative ear wax moistness.
Mar 26, 2012
Season 1Episode 1015 min
DNA Structure and Replication
Hank introduces us to that wondrous molecule deoxyribonucleic acid - also known as DNA - and explains how it replicates itself in our cells.
Apr 2, 2012
Season 1Episode 1115 min
DNA, Hot Pockets, & The Longest Word Ever
Hank imagines himself breaking into the Hot Pockets factory to steal their secret recipes and instruction manuals in order to help us understand how the processes known as DNA transcription and translation allow our cells to build proteins.
Apr 9, 2012
Season 1Episode 1215 min
Mitosis: Splitting Up is Complicated
Hank describes mitosis and cytokinesis - the series of processes our cells go through to divide into two identical copies.
Apr 16, 2012
Season 1Episode 1315 min
Meiosis: Where the Sex Starts
Hank gets down to the nitty gritty about meiosis, the special type of cell division that is necessary for sexual reproduction in eukaryotic organisms.
Apr 23, 2012
Season 1Episode 1415 min
Natural Selection
Hank guides us through the process of natural selection, the key mechanism of evolution.
Apr 30, 2012
Season 1Episode 1515 min
Speciation: Of Ligers & Men
Hank explains speciation - the evolutionary process by which new biological species arise - in terms of finches, ligers, mules, and dogs.
May 7, 2012
Season 1Episode 1615 min
Animal Development: We're Just Tubes
Hank discusses the process by which organisms grow and develop, maintaining that, in the end, we're all just tubes.
May 14, 2012
Season 1Episode 1715 min
Evolutionary Development: Chicken Teeth
Hank introduces us to the relatively new field of evolutionary developmental biology, which compares the developmental processes of different organisms to determine their ancestral relationship, and to discover how those processes evolved.
May 21, 2012
Season 1Episode 1815 min
Population Genetics: When Darwin Met Mendel
Hank talks about population genetics, which helps to explain the evolution of populations over time by combing the principles of Mendel and Darwin, and by means of the Hardy-Weinberg equation.
May 28, 2012
Season 1Episode 1915 min
Taxonomy: Life's Filing System
Hank tells us the background story and explains the importance of the science of classifying living things, also known as taxonomy.
Jun 4, 2012
Season 1Episode 2015 min
Evolution: It's a Thing
Hank gets real with us in a discussion of evolution - it's a thing, not a debate. Gene distribution changes over time, across successive generations, to give rise to diversity at every level of biological organization.
Jun 11, 2012
Season 1Episode 2115 min
Comparative Anatomy: What Makes Us Animals
Hank introduces us to comparative anatomy, which studies the similarities and differences in animal anatomy to support the theory of evolution and the shared ancestry of living things.
Jun 18, 2012
Season 1Episode 2215 min
Simple Animals: Sponges, Jellies, & Octopuses
Hank introduces us to the "simplest" of the animals, complexity-wise: beginning with sponges (whose very inclusion in the list as "animals" has been called into question because they are so simple) and finishing with the most complex molluscs, octopuses and squid. We differentiate them by the number of tissue layers they have, and by the complexity of those layers.
Jun 25, 2012
Season 1Episode 2315 min
Complex Animals: Annelids & Arthropods
Hank continues our exploration of animal phyla with the more complexly organized annelida and arthropoda, and a biolography on insects.
Jul 2, 2012
Season 1Episode 2415 min
Chordates
Hank introduces us to ourselves by taking us on a journey through the fascinatingly diverse phyla known as chordata. And the next time someone asks you who you are, you can give them the facts: you're a mammalian amniotic tetrapodal sarcopterygian osteichthyen gnathostomal vertebrate cranial chordate.
Jul 9, 2012
Season 1Episode 2515 min
Animal Behavior
Hank and his cat Cameo help teach us about animal behavior and how we can discover why animals do the things they do.
Jul 16, 2012
Season 1Episode 2615 min
The Nervous System
Hank and his cat Cameo help teach us about animal behavior and how we can discover why animals do the things they do.
Jul 23, 2012
Season 1Episode 2715 min
Circulatory & Respiratory Systems
Hank takes us on a trip around the body - we follow the circulatory and respiratory systems as they deliver oxygen and remove carbon dioxide from cells, and help make it possible for our bodies to function.
Jul 30, 2012
Season 1Episode 2815 min
The Digestive System
Hank takes us on the fascinating journey through our excretory system to learn how our kidneys make pee.
Aug 13, 2012
Season 1Episode 2915 min
The Excretory System: From Your Heart to the Toilet
Hank takes us on the fascinating journey through our excretory system to learn how our kidneys make pee.
Aug 13, 2012
Season 1Episode 3015 min
The Skeletal System: It's ALIVE!
Hank introduces us to the framework of our bodies, our skeleton, which apart from being the support and protection for all our fleshy parts, is involved in many other vital processes that help our bodies to function properly.
Aug 20, 2012
Season 1Episode 3115 min
Big Guns: The Muscular System
Hank tells us the story of the complicated chemical dance that allows our skeletal muscles to contract and relax.
Aug 27, 2012
Season 1Episode 3215 min
Your Immune System: Natural Born Killer
Hank tells us about the team of deadly ninja assassins that is tasked with protecting our bodies from all the bad guys that want to kill us - also known as our immune system.
Sep 3, 2012
Season 1Episode 3315 min
Great Glands - Your Endocrine System
Hank tells us about the team of deadly ninja assassins that is tasked with protecting our bodies from all the bad guys that want to kill us - also known as our immune system.
Sep 10, 2012
Season 1Episode 3415 min
The Reproductive System: How Gonads Go
Sep 17, 2012
Season 1Episode 3515 min
Old & Odd: Archaea, Bacteria & Protists
Hank veers away from human anatomy to teach us about the (mostly) single-celled organisms that make up two of the three taxonomic domains of life, and one of the four kingdoms: Archaea, Bacteria, and Protists. They are by far the most abundant organisms on Earth, and are our oldest, oddest relatives.
Sep 24, 2012
Season 1Episode 3615 min
The Sex Lives of Nonvascular Plants: Alternation of Generations
Hank introduces us to nonvascular plants - liverworts, hornworts & mosses - which have bizarre features, kooky habits, and strange sex lives. Nonvascular plants inherited their reproductive cycle from algae, but have perfected it to the point where it is now used by all plants in one way or another, and has even left traces in our own reproductive systems.
Oct 1, 2012
Season 1Episode 3715 min
Vascular Plants = Winning!
Hank introduces us to one of the most diverse and important families in the tree of life - the vascular plants. These plants have found tremendous success and the their secret is also their defining trait: conductive tissues that can take food and water from one part of a plant to another part. Though it sounds simple, the ability to move nutrients and water from one part of an organism to another was a evolutionary breakthrough for vascular plants, allowing them to grow exponentially larger, store food for lean times, and develop features that allowed them to spread farther and faster. Plants dominated the earth long before animals even showed up, and even today hold the world records for the largest, most massive, and oldest organisms on the planet.
Oct 8, 2012
Season 1Episode 3815 min
The Plants & The Bees: Plant Reproduction
Hank gets into the dirty details about vascular plant reproduction: they use the basic alternation of generations developed by nonvascular plants 470 million years ago, but they've tricked it out so that it works a whole lot differently compared to the way it did back in the Ordovician swamps where it got its start. Here's how the vascular plants (ferns, gymnosperms and angiosperms) do it.
Oct 15, 2012
Season 1Episode 3915 min
Fungi: Death Becomes Them
Death is what fungi are all about. By feasting on the deceased remains of almost all organisms on the planet, converting the organic matter back into soil from which new life will spring, they perform perhaps the most vital function in the global food web. Fungi, which thrive on death, make all life possible.
Oct 22, 2012
Season 1Episode 4015 min
Ecology - Rules for Living on Earth
Hank introduces us to ecology - the study of the rules of engagement for all of us earthlings - which seeks to explain why the world looks and acts the way it does. The world is crammed with things, both animate and not, that have been interacting with each other all the time, every day, since life on this planet began, and these interactions depend mostly on just two things... Learn what they are as Crash Course Biology takes its final voyage outside the body and into the entire world.
Oct 29, 2012
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