Free Course Image Biology

Free online courseBiology

Duration of the online course: 27 hours and 28 minutes

4.69

StarStarStarStarHalf star

(26)

Explore the fundamentals of biology with Yale Courses. Covering evolution, genetics, ecology, and more, this free online course offers thorough insights into key biological concepts.

In this free course, learn about

  • Foundations of Evolutionary Biology
  • Development, Phenotypes, and Reproduction
  • Species, Macroevolution, and Earth History
  • Evolution, Medicine, and Scientific Thought
  • Ecology: Climate, Populations, and Communities
  • Behavioral Ecology and Game Theory

Course Description

The Biology course offers an extensive deep dive into the foundational theories and practices of biology. Spanning over 27 hours and 28 minutes, this comprehensive course has earned an impressive average rating of 5 out of 5 stars, indicating its high quality and the satisfaction of its learners.

Categorized under Basic Studies, specifically focusing on Biology, this course is designed to enrich your understanding of the principles that define life and its processes. It covers a wide range of topics that are essential to building a solid foundation in biological sciences.

The course begins with an exploration of evolutionary concepts, detailing how selection, inheritance, and history shape the life forms we observe today. Key mechanisms such as natural selection and genetic drift are explained, shedding light on how populations evolve over time. The curriculum delves into basic transmission genetics and the complexities of genetic variation, maintaining a balance between theoretical underpinnings and practical examples.

As you progress, the course addresses the importance of development in evolution, exploring how changes at the genetic level manifest in the physical world. Special attention is given to various forms of evolution, including adaptive and neutral evolution, and the ways in which selection influences genetic composition. The fascinating aspects of sex evolution, genomic conflict, and sexual selection are examined, providing insights into the complexity of reproductive strategies and behaviors across species.

In addition to genetic and evolutionary principles, the course also highlights key events in Earth's history, such as major geological activities and the fossil record, which offer context to the evolution of life. Phylogeny and systematics are discussed to help learners understand the tree of life and the relationships among different organisms. Techniques like comparative methods, including the use of trees, maps, and traits, are introduced to enhance analytical skills in evolutionary biology.

Environmental biology is another crucial component, addressing climate's impact on the distribution of life, interactions with the physical environment, population dynamics, and interspecific competition. Topics like island biogeography and invasive species provide a broader ecological perspective. The course covers the essential flows of energy and matter within ecosystems, factors driving biodiversity, and the ecological and evolutionary aspects of species interactions.

With an extensive section on evolutionary game theory, mating systems, and parental care, the course offers a glimpse into the decision-making processes within the animal kingdom. It also discusses economic decisions in foraging, alternative breeding strategies, and the balance between selfishness and altruism in the natural world.

Overall, the Biology class stands out as a thorough and engaging introduction to biology, suitable for anyone looking to deepen their understanding of the natural world and the evolutionary processes that sustain it. Whether you are a biology novice or someone looking to brush up on foundational concepts, this course promises to provide valuable knowledge and insights.

Course content

  • Video class: 1. The Nature of Evolution: Selection, Inheritance, and History 43m
  • Exercise: _What is the difference between microevolution and macroevolution in biological evolution?
  • Video class: 2. Basic Transmission Genetics 44m
  • Exercise: Should John be worried about his child's eye color?
  • Video class: 3. Adaptive Evolution: Natural Selection 45m
  • Exercise: _What are the three types of evolution discussed in the lecture?
  • Video class: 4. Neutral Evolution: Genetic Drift 44m
  • Exercise: What is a key analogy used to explain the fixation of neutral alleles?
  • Video class: 5. How Selection Changes the Genetic Composition of Population 49m
  • Exercise: What are the factors affecting the rate of genetic adaptation in organisms?
  • Video class: 6. The Origin and Maintenance of Genetic Variation 48m
  • Exercise: What is the ultimate origin of genetic variation?
  • Video class: 7. The Importance of Development in Evolution 45m
  • Exercise: _What is the genotype-phenotype map also known as in the context of development biology?
  • Video class: 8. The Expression of Variation: Reaction Norms 43m
  • Exercise: What is the role of a reaction norm in understanding phenotypes?
  • Video class: 9. The Evolution of Sex 49m
  • Exercise: _What is the difference between the red color and blue color in the turkey's neck and face?
  • Video class: 10. Genomic Conflict 47m
  • Exercise: What is the primary reason for genomic conflict discussed in the lecture?
  • Video class: 11. Life History Evolution 45m
  • Exercise: _What is life history evolution?
  • Video class: 12. Sex Allocation 48m
  • Exercise: What is the Shaw-Mohler theorem?
  • Video class: 13. Sexual Selection 46m
  • Exercise: _What is sexual selection?
  • Video class: 14. Species and Speciation 50m
  • Exercise: What is speciation?
  • Video class: 15. Phylogeny and Systematics 43m
  • Exercise: _What is the Tree of Life according to the lecture?
  • Video class: 16. Comparative Methods: Trees, Maps, and Traits 50m
  • Exercise: What is the significance of phylogenetic trees in studying macroevolution?
  • Video class: 17. Key Events in Evolution 48m
  • Exercise: _What are the properties that define life according to the lecture?
  • Video class: 18. Major Events in the Geological Theatre 47m
  • Exercise: What major event contributed to the increase of oxygen in Earth's atmosphere?
  • Video class: 19. The Fossil Record and Life's History 47m
  • Exercise: What is the significance of the Cambrian period in terms of animal diversity?
  • Video class: 20. Coevolution 48m
  • Exercise: What phenomenon is being described with the proboscis fly and flower relationship in South Africa?
  • Video class: 21. Evolutionary Medicine 47m
  • Exercise: _What is evolutionary medicine?
  • Video class: 22. The Impact of Evolutionary Thought on the Social Sciences 47m
  • Exercise: What was the professor's main decision regarding the publication of his book?
  • Video class: 23. The Logic of Science 45m
  • Exercise: _What is the role of science in society according to the lecture?
  • Video class: 24. Climate and the Distribution of Life on Earth 42m
  • Exercise: What atmospheric phenomenon causes cyclones to spin differently in each hemisphere?
  • Video class: 25. Interactions with the Physical Environment 48m
  • Exercise: _What is the idea of homeostasis in organisms?
  • Video class: 26. Population Growth: Density Effects 42m
  • Exercise: What is the main concept of population growth in ecology discussed in the lecture?
  • Video class: 27. Interspecific Competition 39m
  • Exercise: _What is the difference between amensalism and commensalism?
  • Video class: 28. Ecological Communities 45m
  • Exercise: What is a key concept in community ecology emphasized in the lecture?
  • Video class: 29. Island Biogeography and Invasive Species 41m
  • Exercise: _What is the Swiss theorem in population biology?
  • Video class: 30. Energy and Matter in Ecosystems 49m
  • Exercise: What drives energy and matter flow in ecosystems?
  • Video class: 31. Why So Many Species? The Factors Affecting Biodiversity 48m
  • Exercise: _What is the impact of humans on the environment of the planet?
  • Video class: 32. Economic Decisions for the Foraging Individual 49m
  • Exercise: What biological principle explains the sequence in studying evolution, ecology, and behavior?
  • Video class: 33. Evolutionary Game Theory: Fighting and Contests 45m
  • Exercise: _What is the central idea in evolutionary game theory?
  • Video class: 34. Mating Systems and Parental Care 40m
  • Exercise: What is the relationship between type of fertilization and parental care in species?
  • Video class: 35. Alternative Breeding Strategies 43m
  • Exercise: Which organism exemplifies alternative male reproductive strategies in the lecture?
  • Video class: 36. Selfishness and Altruism 31m
  • Exercise: What hypothesis initially explained the evolution of altruism?

This free course includes:

27 hours and 28 minutes of online video course

Digital certificate of course completion (Free)

Exercises to train your knowledge

100% free, from content to certificate

Ready to get started?Download the app and get started today.

Install the app now

to access the course
Icon representing technology and business courses

Over 5,000 free courses

Programming, English, Digital Marketing and much more! Learn whatever you want, for free.

Calendar icon with target representing study planning

Study plan with AI

Our app's Artificial Intelligence can create a study schedule for the course you choose.

Professional icon representing career and business

From zero to professional success

Improve your resume with our free Certificate and then use our Artificial Intelligence to find your dream job.

You can also use the QR Code or the links below.

QR Code - Download Cursa - Online Courses

More free courses at Biology

Free Ebook + Audiobooks! Learn by listening or reading!

Download the App now to have access to + 3300 free courses, exercises, certificates and lots of content without paying anything!

  • 100% free online courses from start to finish

    Thousands of online courses in video, ebooks and audiobooks.

  • More than 48 thousand free exercises

    To test your knowledge during online courses

  • Valid free Digital Certificate with QR Code

    Generated directly from your cell phone's photo gallery and sent to your email

Cursa app on the ebook screen, the video course screen and the course exercises screen, plus the course completion certificate

+ 9 million
students

Free and Valid
Certificate

60 thousand free
exercises

4.8/5 rating in
app stores

Free courses in
video and ebooks