Free Online Biology Courses and Certifications 2024

Biology is a fascinating subject, a part of the Science category. It is the study of life and living organisms, which is a great way to learn about the world around us. With online courses, students can gain knowledge and understanding of the subject from the comfort of their own home. Biology is an interesting and rewarding subject to learn, and can open up a world of possibilities.

Biology Courses

What Are the Best Biology Certifications?

Professional Program certification in Animal Breeding and Genetics by Texas A&M University. This is a certification program that provides you with the knowledge and skills to apply genetic principles to animal breeding and improvement. You will learn how to use quantitative methods, molecular tools, bioinformatics and statistical software to analyze genetic data, design breeding programs, evaluate genetic merit and manage genetic resources. You will also learn about the ethical, legal and social issues related to animal genetics. This certification program consists of four courses that can be completed online within one year.


certification in Tropical Environmental Sciences by University of HawaiI at Manoa. This is a certification program that introduces you to the ecology, conservation and management of tropical ecosystems. You will learn about the biodiversity, biogeography, evolution and adaptation of tropical organisms, as well as the threats and challenges they face from human activities. You will also learn how to conduct field research, analyze data, communicate findings and propose solutions for tropical environmental problems. This certification program consists of five courses that can be completed online or on campus within one year.


Graduate certification in Genetics and Genomics by University of Florida. This is a certification program that prepares you for advanced studies or careers in genetics and genomics. You will learn how to use molecular techniques, bioinformatics tools, genomic databases and statistical methods to study the structure, function, variation and evolution of genes and genomes. You will also learn how to apply genetic and genomic knowledge to various fields, such as medicine, agriculture, biotechnology and forensics. This certification program consists of four courses that can be completed online within one year.


Bacteriology by Khan Academy. This is a free course that covers the basics of bacteriology, such as bacterial structure, classification, metabolism, growth, genetics, diversity and interactions. You will learn how to identify different types of bacteria, how they obtain energy and nutrients, how they reproduce and transfer genes, how they cause diseases and how they can be beneficial or harmful to humans and other organisms. You will also learn how to perform laboratory techniques, such as microscopy, staining, culturing and antibiotic testing. This course is suitable for beginners and intermediate learners and takes about 10 hours to complete.

Frequently Asked Questions and Answers

Q1: What do you learn in biology?

Biologists engage in the study of life and living organisms, encompassing various aspects such as structure, function, growth, origin, evolution, distribution, and taxonomy. Within this field, subfields span a broad spectrum, ranging from biochemistry and molecular biology to physiology and ecology.

Q2: What Biology courses can I find on AZ Class?

On this page, we have collected free or certified 277 Biology online courses from various platforms. The list currently only displays up to 50 items. If you have other needs, please contact us.

Q3: Can I learn Biology for free?

Yes, If you don’t know Biology, we recommend that you try free online courses, some of which offer certification (please refer to the latest list on the webpage as the standard). Wish you a good online learning experience!

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