GCSE Biology Revision

GCSE workbooks https://www.amazon.co.uk/Dr-Shaun-Donnelly/e/B084FH9JPF?ref_=dbs_p_pbk_r00_abau_000000&_encoding=UTF8&tag=freesciencele-21&linkCode=ur2&linkId=1fbc0f5c3e7450e895637b56ee343168&camp=1634&creative=6738
School licenses from 40p per copy https://www.freesciencelessons.....co.uk/school-licenc

In this video, we look at how farmers can use intensive farming to increase the efficiency of biomass transfer. We then look at why some people have ethical objections to intensive farming methods.

This video is based on the AQA spec. If you are following a different exam board then you should check your specification. The Amazon link above is an affiliate link. This provides a small commission which helps to support freesciencelessons. The cost remains the same to you. If you prefer not to use this, you can search Amazon for the Freesciencelessons workbooks.

Image credits:

Elephant dung By Ranjithsiji - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/....w/index.php?curid=18

Cows https://commons.wikimedia.org/....wiki/File:Sortbroget

Free range chickens "https://commons.wikimedia.org/....wiki/File:Free_Range

By U.S. Department of Agriculture (Flickr: IMG_2009) [CC BY 2.0 (https://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons"

Chickens in shed By Larry Rana - USDA, Public Domain, https://commons.wikimedia.org/....w/index.php?curid=38

Cows in barn http://www.geograph.org.uk/photo/5383338

Chicken "https://commons.wikimedia.org/....wiki/File:J%C3%A6rh%

By Ranveig [CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0)], from Wikimedia Commons"

Music credit:

Deliberate Thought by Kevin MacLeod is licensed under a Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/)
Source: http://incompetech.com/music/r....oyalty-free/?keyword
Artist: http://incompetech.com/