Crash course biology. Explore the wonders of biology.

Crash course biology This, my friends, is a wonderful example of natural selection. And incredibly, everything alive today, and everything that’s ever lived, is related. as its base text. All videos. Los videos reflejan las prioridades actuales en la enseñanza de las ciencias, destacan avances científicos Here on Earth, life is dizzyingly diverse—but it’s also surprisingly organized. Our final episodes of Anatomy & Physiology explore the way your body keeps all that complex, intricate stuff alive and healthy -- your immune system. Evolutionary Development: Chicken Teeth - Crash Course Biology #17. org are unblocked. Form of natural selection in which the entire curve moves; occurs when individuals at one end of a distribution curve have higher fitness than individuals in the middle or at the other end of the curve This is an animal. We’ll also learn how extra-grippy toes help some lizards survive hurricanes. Biology Crash Course Outline Part 1: Biology Overview Part 2: Useful topics Appendix •Questions asked during/after the session . 最棒的液体、03. Sammy will show you how you are connected to every bug, bat, and bacteria that has ever lived Welcome to Crash Course Biology! Over the next 50 episodes, we’ll find out how you are connected to every bug, bat, and bacteria that has ever lived. REA’s AP Biology Crash Course is the first book of its kind for the last-minute studier or any AP student who wants a quick refresher on the course. Answer key is included as well. (MIT OpenCourseWare) via source content that was edited to the style and standards of the LibreTexts platform. In this episode of Crash Course Biology, we’ll uncover the levels of biological organization, discover soil’s superpowers, and find out why the biosphere is kind of like a really, really long train. In this episode Natural Selection - Crash Course Biology #14. Sammy Ramsey. This is a love letter to water, life’s solvent, and one of the most wonderful molecules around. And while the sex part is, I'll grant you, a little bit sexier, not dying is also really fantastic, something that I personally like to do every single day. Thanks for watching this episode of Crash Course Biology which was filmed at our studio in Indianapolis, Indiana, and was made with the help of all these nice people. Learn at your own pace with bite-sized, verified content. The thing that all of these other things have in common is that they're made out of the same basic building block - the animal cell. Well hello there. We’ll explore the eukaryotic cell’s surprising beginnings through an endosymbiosis that occurred about 1. La biología es el estudio de la vida, una palabra de cuatro letras que te conecta con unos 4 mil millones de años de información genética. In this episode of Crash Course Biology, we’ll talk about the big picture of how scientific progress is made, from peer review to mathematical models, with some exploding eggs along the way. It’s a field that not only lets us explore the interconnections between living things, but also how our environment affects us, and how we influence it in turn. kasandbox. In this episode of Crash Course Biology, we’ll learn about ho This is a love letter to water, life’s solvent, and one of the most wonderful molecules around. Back to Courses Old & Odd – Archaea, Bacteria & Protists: Crash Course Biology #135 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. Thanks to everyone who helped put this episode together. In this episode of Crash Course Biology, we’ll see how conservation biology aims to restore habitat and preserve biodiversity. If you want to help keep Crash Course free for everyone, forever, you can join our community on Patreon. Part 1: Biology Overview. Reproduction! Always a popular topic, and one that I don’t mind saying that I am personally interested in. Este curso está basado en los programas de un curso universitario de nivel introductorio y un curso de biología avanzada de secundaria, desarrollados a partir de cinco libros de textos, y varios artículos científicos… In this episode of Crash Course Biology, we’ll take a look at the difference between prokaryotic and eukaryotic cells, take a guided tour of the eukaryotic cell, and learn why most cells are small. Gene distribution changes over time, across successive generations, to give rise to diversity at every level of biological organization. In this episode of Crash Course Biology, we’ll talk about the big picture of how scientific progress is made, from peer review to DNA, Hot Pockets, & The Longest Word Ever: Crash Course Biology Video 11 Mitosis: Splitting Up is Complicated – Crash Course Biology Video 12 Meiosis: Where the Sex Starts – Crash Course Biology Video 13 Natural Selection – Crash Course Biology Video 14 Speciation: Of Ligers & Men – Crash Course Biology Video 15 Biology is the study of life—a four-letter word that connects you to 4 billion years worth of family tree. A sense of order structures life and its processes, from the tiniest cell to Taxonomy Taxonomy! It's the science of classifying living things! That sounds exciting! Today, we'll basically be learning the Dewey Decimal System of evolution it's like filing! Science offers a way of discovering and understanding the world around us, driven by questions and tested with evidence. In this episode of Crash Course Biology, you’ll learn how all of life is connected, and why studying biology can help us better understand ourselves and our relationship to all living things. Learn how biologists define and study life, and how all living things are connected. The word “life” can be tricky to define, but a shared set of characteristics helps biologists identify living things. Back to Courses DNA, Hot Pockets, & The Longest Word Ever: Crash Course Biology #111 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. The last time I was lifting weights during a Crash Course episode, also the last time I was lifting weights, we were talking about how all of this is possible because of cellular respiration, the process our cells use to get and store energy from the food that we eat. Thanks, of course, to everybody who helped put this episode together. En este episodio de Crash Course Biología, aprenderás cómo está conectada toda la Thanks for watching this episode of Crash Course Biology. In 50 episodes, we’re going to explore biology—the science of life. Here on Earth, life is dizzyingly diverse—but it’s also surprisingly organized. 生物分子等，UP主更多精彩视频，请关注UP账号。 In this episode of Crash Course Biology, Hank Green guides us through the process of natural selection, the key mechanism of evolution. If you want to go review any of the stuff we talked about today, click over there. With various witty hosts at your service, you won't even notice you're getting smarter. Oct 24, 2023 · Crocodiles, and birds, and dinosaurs—oh my! While classifying organisms is nothing new, phylogeny— or, grouping organisms by their evolutionary relationships 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 foo Some scientists believe we are in the middle of Earth’s sixth mass extinction: a big, precarious game of Jenga that involves every ecosystem on the planet. The Crash Course YouTube channel was conceived by the Green Brothers after YouTube approached them with an opportunity to launch one of the initial YouTube-funded channels as part of the platform's original channel Explore the wonders of biology. In Da Club - Membranes & Transport: Crash Course Biology #5. Feb 6, 2024 · In this episode of Crash Course Biology, we’ll follow a cell’s life cycle, from its beginning as a shiny new cell all the way to division via mitosis. A sense of order structures life and its processes, from the tiniest cell to the total sum of every living thing. A type of nucleic acid consisting of nucleotide monomers with a ribose sugar and the nitrogenous bases adenine (A), cytosine (C), guanine (G), and uracil (U); usually single-stranded; functions in protein synthesis and as the genome of some viruses. We’ll learn how our cells control this process, and what happens when things go wrong. For any creature bigger than a single-celled organism, all of life stems from cells' ability to reproduce themselves, because that's what allows organisms to develop and grow and keep and keep from dying for as long as possible. Learn biology When we left off here at the Biology Crash Course, we were talking about life and the rather important fact that all life as we know it is dependent upon there being water around. Bacteria often get a bad rap, but they’re some of our best partners in science and medicine! In this episode, we’ll explore what bacteria are doing with thei Back to Courses The Plants & The Bees – Plant Reproduction: Crash Course Biology #138 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 different compared to the way Hank introduces us to ourselves by taking us on a journey through the fascinatingly diverse phyla known as chordata. Sammy Ramsey, an insect researcher and science communicator, and explore current scientific advances, ecology, evolution, and more. In this episode of Crash Course Biology, we’re flipping the microscope around to show how biologists’ work goes down. Community ecology is the study of interactions between different species of living things, and lets ecologists examine the effects of predator-prey relationships, parasites, and mutually beneficial interactions. DNA gets the first part of its name from our first ingredient, the sugar molecule, which is called deoxyribose, but all the really significant stuff, the genetic coding that makes you you, is found among the four nitrogenous bases: adenine, thymine, cytosine, and guanine. And it’s a twisty-turny team effort— In this episode of Crash Course Biology, we’ll follow a cell’s life cycle, from its beginning as a shiny new cell all the way to division via mitosis. The word “life” can be tricky to define, but a sha Watch 50-episode series covering fundamental topics for general high school and AP Biology courses. . Sammy will show you how you are connected to every bug, bat, and bacteria that has ever lived. Access easy-to-understand explanations and practical examples on key biology topics, from cells to ecosystems. They produce the ATP molecules that we use to do everything from talk to our fr Explore the wonders of biology. Atoms have electron shells, and they need to have these shells filled in order to be happy fulfilled atoms. 为啥碳原子是个荡妇、02. Carbon, on its own, is an atom with six protons, six neutrons, and six electrons. So evolutionary developmental biology, or Evo-devo for all of us cool kids, is a new science that looks deep into our genes to figure out how exactly they give instructions to make different parts of our bodies. It also features the awesomely named natural killer cells and the About Crash Course (9) Crash Course: Anatomy and Physiology (54) Crash Course: Artificial Intelligence (21) Crash Course: Astronomy (52) Crash Course: Big History (16) Crash Course: Biology (43) Crash Course: Black American History (52) Crash Course: Business - Entrepreneurship (18) Crash Course: Business - Soft Skills (18) Crash Course Mar 17, 2021 · This page titled 1. This is a zip file that contains a Microsoft Word worksheet (along with a PDF version) to accompany the crash course video for Biology #2: The Scientific Method. Welcome to Crash Course Biology! Over the next 50 episodes, Dr. Hank discusses the process by which organisms grow and develop, maintaining that, in the end, we're all just tubes. Two, a phosphate group and three, one of four nitrogen bases. If you're seeing this message, it means we're having trouble loading external resources on our website. While studying, the biology section was the most intimidating to me as I felt like it was very broad and was unsure how I would be able to nail all the various concepts. If you want to go back and review anything, table of contents, just click on it. In this episode of Crash Course Biology, we’ll examine the myriad interspecies interactions with examples, see how keystone species impact their environment and explore how If you're seeing this message, it means we're having trouble loading external resources on our website. In this episode of Crash Course Biology, we’ll learn about how water’s polarity and hydrogen bonding help it sustain life on a larger scale. traits shared by two or more species, not b/c a history of common descent, but instead b/c some other evolutionary process, usually selection, has independently fashioned similar traits in each species This is a love letter to water, life’s solvent and one of the most wonderful molecules around. We'll 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. [熟肉] 十分钟生物学 Crash Course Biology共计40条视频，包括：01. Crash Course Biology y Biología son dos series de 50 episodios, una en inglés y la otra en español, diseñadas para cubrir temas fundamentales para los cursos de biología de bachillerato a nivel general y especializado (AP). In this episode of Crash Course Biology, we reveal how the evolutionary relationships between living things define their place on a single, great Tree of Life, and we learn what that Hank (left) and John Green (right) co-created Crash Course and hosted the initial Biology and World History series, respectively. Hank gets real with us in a discussion of evolution - it's a thing, not a debate. This series covers topics from cellular and molecular biology to ecology and evolution, with fun and engaging animations and examples. If you're behind a web filter, please make sure that the domains *. kastatic. Passive transport doesn't require any energy, which is great, because important things like oxygen and water can use this to get into cells really easily. Sex and not dying. Dec 12, 2023 · The cell is the basic unit of life, and our understanding of it has advanced as science, and the tools available to scientists, has advanced. You know ‘em, you love ‘em. In this episode of Crash Course Biology, Hank Green introduces us to that wondrous molecule deoxyribonucleic acid - also known as DNA - and explains how it replicates itself in our cells. Jan 30, 2012 · Crash Course: Biology . Category; All videos Video statistics Transcribed videos Untranscribed videos Download transcripts. Date Title Duration Views Jun 6, 2023 · The word “life” can be tricky to define, but a shared set of characteristics helps biologists identify living things. Thank you for watching this episode of Crash Course Biology. Nov 28, 2023 · In this episode of Crash Course Biology, we’ll learn about how water’s polarity and hydrogen bonding helps it sustain life on a larger scale. With hundreds of millions of views on our YouTube channel, Crash Course has a worldwide audience in and The Crash Course team has produced more than 50 courses on a wide variety of subjects, ranging from the humanities to sciences and so much more! We also recently teamed up with Arizona State Mar 1, 2022 · In this AP® Biology Crash Course, we’ll talk about the Krebs Cycle, the process by which those products produce ATP. org and *. Samuel Ramsey will guide you through life’s vast interconnectedness, telling lesser-k Check out our new-and-improved Crash Course Biology series here! https://youtube. At Crash Course, we believe that high quality educational videos should be available to everyone for free. Dr. Along the way, we’ll learn why zebrafish and fruit flies are some of biology’s next top models. The kind of reproduction that we’re most familiar with is, of course, sexual reproduction, where sperm meets egg, they share genetic information, and then that fertilized egg splits in half, and then those halves split in half, and so on and so on and so on to make a living thing with Ecology is the study of the interactions of living things with each other and their environment. Share your videos with friends, family, and the world About Crash Course (9) Crash Course: Anatomy and Physiology (54) Crash Course: Artificial Intelligence (21) Crash Course: Astronomy (52) Crash Course: Big History (16) Crash Course: Biology (43) Crash Course: Black American History (52) Crash Course: Business - Entrepreneurship (18) Crash Course: Business - Soft Skills (18) Crash Course In 40 videos, Hank Green teaches you biology! This course is based on the AP Biology curriculum and also covers some introductory anatomy. Explore the history and diversity of life on Earth, and the challenges and opportunities of biology education. Our easy-to-read format gives students a crash course in Biology. They’re the powerhouse of the cell: mitochondria. Learn from Dr. Animal carcass. Learn biology in 40 videos with Hank Green, covering topics from ecology to evolution, from cells to systems, from molecules to organisms. You caught me while I was working out. That's what Biology is all about. La palabra "vida" puede ser difícil de definir, pero un listado de características ayuda a las personas que estudian la biología a clasificar a los seres vivos. Learn biology There’s an immense world of tiny stuff within us and around us—but how do we know about it? In this episode of Crash Course Biology, we’ll discover how we see what we can’t see, thanks to the help of centuries-old tools and more recent technology. 0 license and was authored, remixed, and/or curated by Manolis Kellis et al. 4: Crash Course in Molecular Biology is shared under a CC BY-NC-SA 4. Animal. Jun 13, 2023 · And it’s a twisty-turny team effort— you won’t find many lone geniuses out there, or straight lines from hypothesis to conclusion. An animal. Back to Courses Water – Liquid Awesome: Crash Course Biology #102 Hank teaches us why water is one of the most fascinating and important substances in the universe. By purchasing this file, you agree not to make it publicly available (on websites, etc. In 12 episodes, Hank Green teaches you ecology! This course is based on a college-level introductory curriculum with the 9th edition of Campbell Biology by Reece, et al. A biologist’s natural habitat is anywhere questions about life are being asked—whether the subject is a nematode or a narwhal, a single cell, or a whole ecosystem. Along the way, we’ll see how environmental damage impacts human communities, and learn about wolves Crash Course is one of the best ways to educate yourself, your classmates, and your family on YouTube! From courses like Astronomy to US History and Anatomy & Physiology it's got you covered with an awesome variety of AP high school curriculum topics. Chapters: Welcome to Crash Course Biology! Over the next 50 episodes, Dr. And the next time someone asks you who y Science offers a way of discovering and understanding the world around us, driven by questions and tested with evidence. Animal carcass again. It's all annotated up for you. We're gonna need three things: One, a five carbon sugar molecule. In this episode of Crash Course Biology, Hank Green takes us on a trip around the body. The targeted review chapters Mitosis: Splitting Up is Complicated - Crash Course Biology #12. Learn biology, the science of life, in 50 episodes with Dr. Everywhere you look on Earth, you’ll find wonderful and diverse living things, from tiny tardigrades to soaring sequoias. Along the way, we’ll learn about the major types of microscopes and how to use a typical light microscope. In this Episode of Crash Course Biology, we’ll learn about how water’s polarity and hydrogen bonding helps it sustain life on a larger scale. Back to Courses ATP & Respiration: Crash Course Biology #107 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. Blood Vessels, Part 1 – Form and Function: Crash Course Anatomy & Physiology #27 The Heart, Part 2 – Heart Throbs: Crash Course Anatomy & Physiology #26 The Heart, Part 1 – Under Pressure: Crash Course Anatomy & Physiology #25 Share your videos with friends, family, and the world In this episode of Crash Course Biology, 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. This course is based on the AP Biology curriculum and also covers some introductory anatomy. Crash Course relies on the au There are lots of ways that evolution happens, and natural selection is just one of them. In this episode of Crash Course Biology, we’ll get an overview of the field of ecology, see how matter and energy are conserved and The biology Crash Course was an absolute lifesaver! I went from getting a 17 on the practice exams to getting a 23 on the actual DAT. The Krebs Cycle (also known as the Citric Acid Cycle or Tricarboxylic Acid Cycle) is the metabolic process by which aerobic organisms produce energy in the form of ATP (adenosine triphosphate). The Crash Course is based on the latest changes to the AP Biology course curriculum and exam. The Crash Course team has produced more than 45 courses to date, ranging from the humanities to the sciences. The process by which certain inherited traits make it easier for some individuals to thrive and multiply, changing the genetic makeup of populations over time. By the end of this The Crash Course team has produced more than 50 courses on a wide variety of subjects, ranging from the humanities to sciences and so much more! We also recently teamed up with Arizona State En cincuenta episodios, Mini Contreras te enseñará acerca de la biología, la ciencia de la vida. We’ll see how some water-based solutions can be acidic or basic, and examine how our bodies maintain the narrow pH range necessary for life. Crash Course is one of the best ways to educate yourself, your classmates, and your family on YouTube! From courses like Astronomy to US History and Anatomy & Physiology it's got you covered with an awesome variety of AP high school curriculum topics. In this episode of Crash Course Biology, we’ll discover how egg and sperm cells get made and learn why you’re a totally unique remix of your parents’ DNA. In this episode of Crash Course Biology, we’ll find out how this process works and shapes traits in all living things —from ginkgo trees to howler monkeys. And it’s a twisty-turny team effort— you won’t find many lone geniuses out there, or straight lines from hypothesis to conclusion. com/playlist?list=PL8dPuuaLjXtPW_ofbxdHNciuLoTRLPMgBAnd thus begins the most Biology is the study of life—a four-letter word that connects you to 4 billion years worth of family tree. 5 billion years ago. Table of Contents time c Back to Courses Eukaryopolis – The City of Animal Cells: Crash Course Biology #104 Hank tells us about the city of Eukaryopolis – the animal cell that is responsible for all the cool things that happen in our bodies. Table of Contents 1) Zygote 2:38 Ever wonder why we aren’t exact clones of our parents, or why siblings aren’t exactly alike? The reason traces back to meiosis. The immune system’s responses begin with physical barriers like skin and mucous membranes, and when they’re not enough, there are phagocytes -- the neutrophils and macrophages. And this is also an animal. From itty-bitty cells to vast global systems, we’ll see how biology can help us understand ourselves better—and our relationships with the living (and non-living) things all around us. ) or to share with There’s an immense world of tiny stuff within us and around us—but how do we know about it? In this episode of Crash Course Biology, we’ll discover how we se Thanks for watching this episode of Crash Course Biology which was filmed at our studio in Indianapolis, Indiana, and was made with the help of all these nice people. Feb 4, 2020 · AP Biology Crash Course, Book + Online Boost your score on the 2025 exam! Written by a veteran AP Biology teachers and test development experts, the book gives you the topics and critical context that will matter most on exam day. Scientists and astronomers are always looking out into the universe trying to figure out whether there is life elsewhere because, you know, that is kind of the most Feb 20, 2012 · Hank tells us about the city of Eukaryopolis - the animal cell that is responsible for all the cool things that happen in our bodies. pwmbg lzsjqltf jfvi rxvr cydvytdo sdzjk qydkch mrqk jneyhx pypydzr ampoaz jbbrp azdkgdyc vuauy ttdimsn