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Our home in the universe is not called the ‘Blue Planet’ for nothing; water largely covers the surface of the Earth. Land – the bit we live on – only represents about 30%, and the oceans contain over 96% of all the water on Earth.

This fascinating Level 3 Marine Biology course from Cambridge Open College provides a real insight to our world, and in particular the water covering the larger part of it. The course results, on successful completion, in an Endorsed Qualification awarded under Focus Awards’ FQP (Focus on Quality Provision) Scheme.

The biggest living mammal known to man – the Blue Whale – and some of the smallest organisms (plankton) live in the oceans. 

Despite our technological advances, we still know almost nothing about the deepest parts of our watery planet. Primarily because it’s an alien environment that man cannot easily explore.

We can dive wearing body mounted equipment with relative ease and safety down to about 50 metres; a bit more if we replace air with more exotic gas mixtures. Using specially designed underwater vehicles we can send equipment and cameras down a lot further.

But it’s so cold and dark, and the pressure so incredibly high (it would squash a nuclear submarine flat), that man will not get to the bottom in the foreseeable future.

They called the deepest part of the ocean the Challenger Deep, in the Pacific Ocean at the end of the Marianas Trench. At over 36,200 feet (11,128 metres) to the bottom it could swallow our highest mountain (Everest) with more than a mile to the surface (7,171 feet / 2,206 metres) left above it.

Marine biology is the study of all the flora and fauna that lives in this incredibly diverse but hostile environment. You learn about the various “zones” and how they affect all aspects of our lives. The weather, which is the biggest influence on where we live and how we survive, is almost entirely dependent on what happens in the world’s oceans.

If you really want to understand the biggest and least controllable influence on humanity, this superb course is a great place to start.


This course is open to all applicants. The only requirement is that candidates have a keen interest in the subject.

We wrote the course materials in simple everyday language, so a basic level of literacy should enable you to complete the course.

Besides the comprehensive course materials provided, you receive a study guide to help you get the best from the experience. Of course, you also have your tutor’s expert help and support throughout your studies with us. 

Don’t delay. Enrol today.

Ocean formation

The Ocean as a Habitat

Biological Evolution in the Oceans

Food Webs in the Oceans

Adaptations to Life in the Ocean

The Human Impact on the Sea

£35 deposit: remaining balance at the end of the month

Enrol for £35 deposit and remaining balance at the end of the month. Pay your deposit today get your course tomorrow!

Reduced fee of £259

£259 – all inclusive

Pay by 3 monthly instalments of £259 (approx)

£86 deposit followed by £86 for the next two months

The college accepts payment using the following methods:

Credit/Debit Card, Cheque, Postal Order and Invoice.

It is simple and safe to enrol online. Select one of the payment terms above and you will be taken to a secure sever to enter your details.

Once the enrolment process has been completed you will receive your introductory pack and login details to access your course textbooks, your tutor profile and their contact details.

We look forward to welcoming you as a student of the college and feel sure you will enjoy studying with us.

Key points for this course:
  • This is a fully supported home study course supported by your own tutor
  • Your enrolment fee covers absolutely everything – there will be nothing more to pay after you have enrolled, there are no hidden fees
  • You have 12 months to complete your course
  • You may enrol at any time of the year
  • Access available within 24 hours
Money Back Guarantee

If you are not happy with your course simply return it within 14 days and we will refund your fees in full.

All students enrolled on a course with Cambridge Open College receive access to our online student community (I Learn It Easy) where you can submit your work, contact your tutor, and interact with other students. We have prepared a short video below to highlight the benefits to you.

Marine Biology (Level 3)


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OROur Instalment Plans
£35 deposit: remaining balance at end of month
Pay by 3 equal monthly instalments
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