Except for third party materials and otherwise stated in the acknowledgements section, this content is made available under a.
The material acknowledged below is Proprietary and used under licence (not subject to Creative Commons Licence). Grateful acknowledgement is made to the following sources for permission to reproduce material in this course:
Course image: courtesy of Dr. David J. Robinson, The Open University
Figures 1, 5 and 6: courtesy of Dr. David J. Robinson, The Open University
Figures 2 and 3: micro_photo; iStockphoto.com
Dr Aaron Bernstein talks to Brett Westwood: Unseen World, BBC Radio 4, © BBC
Investigating filter feeders: © The Open University, contains BBC clips © BBC
Summary video: © The Open University, contains BBC clips © BBC
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