GCSE Biology Revision "Food Chains and Predator-Prey Cycles"

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In this video, we look at how food chains represent the flow of biomass through organisms. We then explore predator-prey cycles.

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Image credits:

Predator prey "https://commons.wikimedia.org/wiki/Fi...

By Line Sabroe from Denmark (Predator becomes prey) [CC BY 2.0 (https://creativecommons.org/licenses/...)], via Wikimedia Commons"

Grass By Lupus in Saxonia - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index...

Rabbit By Greg Goebel from Loveland CO, USA - Ybbun_4b, CC BY-SA 2.0, https://commons.wikimedia.org/w/index...

Fox By I, Malene, CC BY 2.5, https://commons.wikimedia.org/w/index...

Oak Tree "https://commons.wikimedia.org/wiki/Fi...

Msact at English Wikipedia [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 3.0 (https://creativecommons.org/licenses/...)], from Wikimedia Commons"

Caterpillar "https://commons.wikimedia.org/wiki/Fi...

By Greg Dwyer [CC BY-SA 2.5 (https://creativecommons.org/licenses/...)], from Wikimedia Commons"

Blackbird By © Francis C. Franklin / CC-BY-SA-3.0, CC BY-SA 3.0, https://commons.wikimedia.org/w/index...

Deep sea vent By NOAA - http://oceanexplorer.noaa.gov/explora..., Public Domain, https://commons.wikimedia.org/w/index...

Sparrow By Fir0002 - Own work, GFDL 1.2, https://commons.wikimedia.org/w/index...

Sparrowhawk By Meneer Zjeroen - https://www.flickr.com/photos/nuskyn/..., CC BY 2.0, https://commons.wikimedia.org/w/index...

Music credit:

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