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Biodiversity: survival in a changing world

Adaptation and natural selection reveal how the biodiversity of Earth’s life forms survive on our ever-changing planet, across vastly differing habitats and time scales. Through an extensive range of examples, from animals and plants to algae and fungi, you’ll explore many aspects of whole-organism biology, including physiology, behaviour, ecology and evolution. You’ll gain essential fieldwork, computational, and investigative biology skills with practical activities embedded throughout the module. You’ll also examine real-world case studies, learning about conservation efforts and co-existence strategies to minimise human impacts on our shared natural world.

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OU qualifications are modular in structure; the credits from this undergraduate module could count towards an honours degree.

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Module

Module code

S286

Credits

Credits

  • Credits measure the student workload required for the successful completion of a module or qualification.
  • One credit represents about 10 hours of study over the duration of the course.
  • You are awarded credits after you have successfully completed a module.
  • For example, if you study a 60-credit module and successfully pass it, you will be awarded 60 credits.
30

Study level

Across the UK, there are two parallel frameworks for higher education qualifications, the Framework for Higher Education Qualifications in England, Northern Ireland and Wales (FHEQ) and the Scottish Credit and Qualifications Framework (SCQF). These define a hierarchy of levels and describe the achievement expected at each level. The information provided shows how OU module levels correspond to these frameworks.
Level of Study
OU SCQF FHEQ
2 8 5

Study method

Module cost

Entry requirements

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What you will study

First, you’ll cover the module’s underpinning biological concepts, themes and evolutionary terms. You’ll next examine your local biodiversity by observing and identifying species, then explore a simulation of how butterflies adapt to their changing surroundings. You’ll also learn how to safely and ethically conduct your practical activities and how we’ll assess your collected datasets before moving on to study distinct topic areas.

Biological connections
In this first topic, you’ll explore evolutionary relationships, interactions and communication. You’ll look at a range of organisms, from barnacles to dinosaurs, focusing on insects and flowering plants (including their phylogenetic classification). Through experiments and statistical analysis, you’ll test biological hypotheses, and interpret evolutionary relationships, helping develop your practical skills.

Movement and migration
In the next topic, you’ll learn about natural selection and adaptations associated with movement – on land, in air and in water. Highlights include the ecology and evolution of migratory behaviour, focusing on butterflies and birds. You’ll also explore the role of technology and artificial intelligence in understanding animal movement.

The role of fungi and algae
The third topic discusses ecological interactions, focusing on plants, algae and fungi. You’ll delve into the evolutionary origins, examine the role of mycorrhizal relationships in maintaining ecosystems, and consider lichens as pollution indicators. You’ll also discover the importance of nutrient acquisition and the energy flow of photosynthesis to the entire biosphere.

Feeding ecology and behaviour
Topic four describes energy flow and interactions between organisms in ecological communities. You’ll cover feeding strategies – predation and herbivory – including prey animals’ trade-offs that prioritise survival. You’ll learn techniques for measuring behaviour and apply these to video observations of Asian elephants feeding. Through case studies, you’ll see how understanding feeding behaviour can improve captive animal welfare and the success of conservation programmes.

Adaptations and evolution
This topic covers how organisms adapt to short-term environmental changes, as well as the larger-scale evolutionary processes that have led to the incredible diversity of life on our planet. You’ll further examine the links between the adaptive development of different organisms’ body structures and their importance for biological survival.

Life in water
In this next topic, you’ll explore the multitude of life forms in water, from microscopic plankton to massive blue whales. You’ll investigate the global distribution of marine life and the ecology and evolution of coastal and deep-ocean ecosystems.

Plant survival in extreme environments
Topic seven covers how plants cope with temperature fluctuations, salt concentration and water content, as they can’t move far to avoid human impacts and climate change. You’ll consider plant–water relationships by examining major physiological adaptations and their ecological implications.

Reproduction and disruption
This topic looks at the abilities and cost/benefit strategies many animals use to reproduce. These mechanisms are central to any species’ survival, as populations can only outlive their members through reproduction. Through sea turtle case studies, you’ll see how natural events, but increasingly human activities, disrupt the reproduction and survival of many species.

In the final topics, you’ll examine domestication and its impacts on the genetic diversity of crops and livestock, as well as other management and ethical dilemmas around captive breeding and re-wilding programmes. You’ll also explore ecosystem services, focusing on pollination: a vital process to the establishment, composition and conservation of diverse ecosystems across the globe.

You will learn

This module introduces you to and develops a range of skills relevant to the contemporary professional biologist. You will have opportunities to study different methods of collecting and using data, explore means of data visualisation with coding and statistical tools. You will increase your understanding of how to approach and consider biodiversity conservation practical problems and ethical dilemmas.

Key skills developed include:

  • following the scientific process with hypothesis development and testing
  • research study design, ethical and risk assessments
  • carrying out fieldwork and online practicals
  • data collection with simple computation, statistics and interpretation
  • open-ended problem solving

Vocational relevance

By studying S286 you will progress your understanding of whole organism biology and be equipped to apply the essential concepts, principles, theories and approaches involving adaptation to alternative biological examples in a changing world. You will gain awareness of some global and societal issues affecting the natural world to begin to take account of ethical, commercial and sustainability considerations in addressing/exploring complex situations. Through the combination of study and practical investigation, you will also develop digital literacy, computational and analytical skills needed for exploring big datasets.

Teaching and assessment

Support from your tutor

Throughout your module studies, you’ll get help and support from your assigned module tutor.

They’ll help you by:

  • marking your assignments (TMAs) and providing detailed feedback for you to improve
  • guiding you to additional learning resources
  • providing individual guidance, whether that’s for general study skills or specific module content
  • facilitating online discussions between your fellow students in the dedicated module and tutor group forums.

Module tutors also run online tutorials throughout the module. Where possible, recordings of online tutorials will be made available to students. While these tutorials won’t be compulsory for you to complete the module, you’re strongly encouraged to take part.

Assessment

The assessment details for this module can be found in the facts box.

Field/laboratory schools

This module has an optional residential field school.

The Field Studies Council runs the residential field school Pollination. This 3-day programme (at FSC Preston Montford in Shropshire) includes outdoor exercises and follow-up laboratory work.

The residential field school fee for 2024/25 was £345 (£275 if you don’t need accommodation); you must also pay for your travel.

Instructions for booking will be on the module website.

Plus

The School of Life, Health and Chemical Sciences offers optional laboratory schools in Milton Keynes at an additional cost. Laboratory schools are not part of this module but may be of interest if you wish to gain relevant hands-on laboratory experience.

Further information and instructions for booking are on the .

Regulations

As a student of 快猫视频, you should be aware of the content of the academic regulations which are available on our website.

Course work includes:

3 Tutor-marked assignments (TMAs)
End-of-module assessment


Entry requirements

There are no formal entry requirements for this module.

At 快猫视频, we believe education should be open to all, so we provide high-quality university education to anyone who wishes to realise their ambitions and fulfil their potential.

Even though there are no entry requirements, you’ll need appropriate knowledge of biology and basic mathematics obtained through:

  • OU level 1 study
  • equivalent work at another higher education institution.

Preparatory work

We recommend you’ve completed:

You’ll be able to access the module website 2-3 weeks before the module starts, so that you can learn to navigate the website and organise your study plan.

Register

Start End England fee Register
04 Oct 2025 Jun 2026 拢1946.00

Registration closes 11/09/25 (places subject to availability)

This module is expected to start for the last time in October 2032.

Additional Costs

Study costs

There may be extra costs on top of the tuition fee, such as set books, a computer and internet access.

If your income is not more than £25,000 or you receive a qualifying benefit, you might be eligible for help with some of these costs after your module has started.

Field school

This module has an optional residential field school, for which there’s an additional charge; you must also pay for your travel.

Ways to pay for this module

Open University Student Budget Account

快猫视频 Student Budget Accounts Ltd (OUSBA) offers a convenient &/courses/modules/s286/39;pay as you go&/courses/modules/s286/39; option to pay your OU fees, which is a secure, quick and easy way to pay. Please note that 快猫视频 works exclusively with OUSBA and is not able to offer you credit facilities from any other provider. All credit is subject to status and proof that you can afford the repayments.

You pay the OU through OUSBA in one of the following ways:

  • Register now, pay later – OUSBA pays your module fee direct to the OU. You then repay OUSBA interest-free and in full just before your module starts. 0% APR representative. This option could give you the extra time you may need to secure the funding to repay OUSBA.
  • Pay by instalments – OUSBA calculates your monthly fee and number of instalments based on the cost of the module you are studying. APR 5.1% representative.

Joint loan applications

If you feel you would be unable to obtain an OUSBA loan on your own due to credit history or affordability issues, OUSBA offers the option to apply for a joint loan application with a third party. For example, your husband, wife, partner, parent, sibling or friend. In such cases, OUSBA will be required to carry out additional affordability checks separately and/or collectively for both joint applicants who will be jointly and severally liable for loan repayments.

As additional affordability checks are required when processing joint loan applications, unfortunately, an instant decision cannot be given. On average the processing time for a joint loan application is five working days from receipt of the required documentation.

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Employer sponsorship

Studying with 快猫视频 can boost your employability. OU courses are recognised and respected by employers for their excellence and the commitment they take to complete. They also value the skills that students learn and can apply in the workplace.

Over 30,000 employers have used the OU to develop staff so far. If the module you’ve chosen is geared towards your job or developing your career, you could approach your employer to see if they will sponsor you by paying some or all of the fees. 

  • Your employer just needs to complete a simple form to confirm how much they will be paying and we will invoice them.
  • You won’t need to get your employer to complete the form until after you’ve chosen your module.  

Credit/debit card

You can pay part or all of your tuition fees upfront with a debit or credit card when you register for each module. 

We accept American Express, Mastercard, Visa and Visa Electron. 

Mixed payments

We know that sometimes you may want to combine payment options. For example, you may wish to pay part of your tuition fee with a debit card and pay the remainder in instalments through an .


Please note: your permanent address/domicile will affect your fee status and, therefore, the fees you are charged and any financial support available to you. The fee information provided here is valid for modules starting before 31 July 2026. Fees typically increase annually. For further information about the University&/courses/modules/s286/39;s fee policy, visit our .

This information was provided on 24/04/2025.

Can you study an Access module for free?

Depending on eligibility and availability of places, you could apply to study your Access module for free.

To qualify, you must:

  1. be resident in England
  2. have a household income of not more than £25,000 (or be in receipt of a qualifying benefit)
  3. have not completed one year or more on any full-time undergraduate programme at FHEQ level 4 or above or successfully completed 30 credits or more of OU study within the last 10 years

How to apply to study an Access module for free

Once you&/courses/modules/s286/39;ve started the registration process, either online or over the phone, we&/courses/modules/s286/39;ll contact you about your payment options. This will include instructions on how you can apply to study for free if you are eligible and funded places are still available.

If you&/courses/modules/s286/39;re unsure if you meet the criteria to study for free, you can check with one of our friendly advisers on +44 (0)300 303 0069, or you can request a call back.

Not eligible to study for free?

Don&/courses/modules/s286/39;t worry! We offer a choice of flexible ways to help spread the cost of your Access module. The most popular options include:

  • monthly payments through OUSBA
  • part-time tuition fee loan (you&/courses/modules/s286/39;ll need to be registered on a qualification for this option)

To explore all the options available to you, visit Fees and Funding.

What's included

You will have access to a module website, which includes:

  • A week-by-week study planner
  • Course specific module materials
  • Audio and video content
  • Assignment details and submission section
  • Online tutorial access
  • Access to student and tutor group forums

You’ll also have access to the OpenSTEM labs, where you’ll complete some of your data collection.

You will need

  • Ingredients to make dough (flour, water, 2 colours of food dye, preferably yellow and red)
  • Basic outdoor clothing and footwear for fieldwork
  • Note book for use as field/lab book
  • Camera (camera phone or other)
  • A calculator (or means of doing calculations)

Computing requirements

  • Primary device – A desktop or laptop computer. It’s possible to access some materials on a mobile phone, tablet or Chromebook; however, they will not be suitable as your primary device.
  • Peripheral device – Headphones/earphones with a built-in microphone for online tutorials.
  • Our OU Study app operates on supported versions of Android and iOS.
  • Operating systems – Windows 11 or latest supported macOS. Microsoft will no longer support Windows 10 as of 14 October 2025.
  • Internet access – Broadband or mobile connection.
  • Browser – Google Chrome and Microsoft Edge are recommended. Mozilla Firefox and Safari may be suitable.

If you have a disability

The OU strives to make all aspects of study accessible to everyone and this Accessibility Statement outlines what studying S286 involves. You should use this information to inform your study preparations and any discussions with us about how we can meet your needs.

To find out more about what kind of support and adjustments might be available, contact us or visit our .