6 Free Online Marine Biology Courses

Interested in being a marine biologist? Here are the free online marine biology courses to get you started. The courses will equip you with a basic understanding of marine biology and spike up your interest in concentrating in the field.

Marine biology is the scientific study of water bodies and every organism that lives, moves, and filters through them. A marine biologist is someone who does this study of marine life and the organisms that habit it.

To become a marine biologist you’ll have to study the course in an accredited higher institution, complete your studies and become a certified marine biologist.

Some schools are recognized for offering top-notch marine biology education, search for these schools and consider attending them for a degree in marine biology.

However, before you do that you have to be certain that is what you want to do, that is, become a marine biologist, and not change your mind at the last minute. This is why we have created this post to help you certify that you actually want to be a marine biologist.

Also, if you have no idea what marine biology is about this post will help you clear that because here we have compiled a list of free online marine biology courses. These courses are designed to give you first-hand knowledge of what marine biology is about and test the waters before you proceed to get a degree in the field.

You may also enroll in the courses if you have an interest in marine biology. Maybe you are already studying something else or want to broaden your knowledge on other fields of study, you can enroll in the courses too and gain whatever knowledge you can.

Since the courses are offered fully online at no cost and no knowledge is wasted, you absolutely have nothing to lose.


Can I learn marine biology online?

Online learning is the current education trend, it has actually existed for a long time now but it’s not used much. Due to the Covid-19 pandemic, it had to be used as it is the safest way to still deliver quality education and schools that do not use it had to start implementation.

Online learning has a host of advantages that it gives to learners, and you still gain the same type of education even if you were sitting in a classroom.

Online learning is flexible, fast to complete, cheap – free in some cases – and just about anyone can participate no matter where you are in the world. You only need a Wi-Fi and computer/tablet.

With online learning, individuals who have a thing for marine biology can learn it completely online and in this case, for free.

Without further ado, we should jump into the free online marine biology courses that will kick start your career in the field.

6 Free Online Marine Biology Courses

The following are the free online marine biology courses featured on our list;

  • Paleontology: Ancient Marine Reptiles
  • Marine Biology
  • Fundamentals of Biology
  • Ecology Studies – Conversation Biology and Biodiversity
  • Biology – Cell Theory, Metabolism, and Plant Biology
  • Biology – Cell Division

Paleontology: Ancient Marine Reptiles

This makes it on our top list of the free online marine biology courses, and it is offered by the University of Alberta, a top university in Canada, via Coursera.

Paleontology is the scientific study of life that existed much earlier before humans came and it also includes the study of fossils to classify organisms and study interactions with each other and their environments.

Now, in this course which is divided into four lessons, you will be studying paleontology concerning marine life. It teaches a comprehensive overview of the evolutionary changes that occurred to ancient marine reptiles.

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Marine Biology

This one of the free online marine biology courses from Saylor Academy, an online learning platform recognized for offering university-taught courses online. Fortunately, this one is free and you should jump right into it to know how marine biology is being taught in universities.

The course dives deeper into the study of ocean life, especially salt water since it is different from life in a terrestrial or freshwater environment. You get to learn the factors that made them different, the adaptive features of saltwater organisms, and how the environmental factors in marine communities affect biodiversity.

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Fundamentals of Biology

This is one of the free online marine biology courses offered by Alison, another popular online platform, and it agrees that students need to have an understanding of the fundamentals of biology before going on to read marine biology.

So, with that in mind, this course was born and if you never had an idea on biology but want to do marine biology, you will need to go through this course first.

It teaches a comprehensive overview of the study of living things, their structure, growth, origin, evolution, and distribution which are pre-requisite knowledge to have before going on to read marine biology.

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Ecology Studies – Conversation Biology and Biodiversity

This free online marine biology course from Alison is a study on ecology as it relates to marine biology focusing on conservation biology and biodiversity. As aspiring marine biology, you need to have expertise in conservation biology for marine life.

With that knowledge, you will be able to detect core threats, causes of extinction, and how the loss of biodiversity threatens the ecosystem, and what kind of actions can be undertaken to preserve it.

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Biology – Cell Theory, Metabolism, and Plant Biology

All living things have different biology, structure, and growth and this is what this course teaches. It is another of the free online marine biology courses from Alison that gives you a deeper understanding of characterizing living organisms.

Students will also go on to study cell theory, plant biology, photosynthesis, and establish their understanding of the living world around them

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Biology – Cell Division

Mitosis, meiosis, embryonic stem cells, and cell replication – these are what this free online course brings to you, giving you a comprehensive understanding of each of these terms and how they relate to the life around you.

This is the knowledge you need to possess in your pursuit of becoming an established marine biologist.

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This brings an end to the free online marine biology courses you could find on the internet, yes these are all of the other ones that have to be paid for. You can enroll anytime for these courses and they are self-paced which means you get to study at your own time.

The free online marine biology courses will help you test waters before going on to become a degree holder in marine biology.

Top Schools for Marine Biology

A variety of schools offer marine biology programs both at undergraduate and graduate levels of study. Some of the best marine biology programs can be found in the following schools;

  • Boston University
  • The University of North Carolina
  • Eckerd College
  • The University of California
  • Oregon State University
  • The University of Maine
  • The University of New Hampshire
  • Stony Brook University
  • The University of Oregon
  • California State University

So, these are the top 10 best schools that offer marine biology check in with each of the institutions to learn about the academic requirements and application deadline.

Career Opportunities for Marine Biologists

With a marine biology degree, you can build a career as;

  • Marine scientist
  • Research biologist
  • Botanist
  • Horticulturist
  • Microbiologist
  • Biological technician
  • Biologist




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