GCSE Biology Revision "Sampling Organisms" скачать в хорошем качестве

GCSE Biology Revision "Sampling Organisms"

For thousands of questions and detailed answers, check out our GCSE workbooks https://www.amazon.co.uk/Dr-Shaun-Don... Great deals on workbooks for schools https://www.freesciencelessons.co.uk/... In this video, we look at how to sample the numbers of organisms in an area using random sampling and sampling along a transect. This video is based on the AQA spec. This video may be appropriate for iGCSE / O Level Biology. Please consult 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: Blackbird By © Francis C. Franklin / CC-BY-SA-3.0, CC BY-SA 3.0, https://commons.wikimedia.org/w/index... Quadrat By Yohan euan o4 - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index... Dandelion "https://commons.wikimedia.org/wiki/Fi... I, Tony Wills [CC BY 2.5 (https://creativecommons.org/licenses/...) or CC BY-SA 3.0 (https://creativecommons.org/licenses/...)], from Wikimedia Commons" Daisy "https://commons.wikimedia.org/wiki/Fi... By André Karwath aka Aka [CC BY-SA 2.5 (https://creativecommons.org/licenses/...)], from Wikimedia Commons" Fern "https://commons.wikimedia.org/wiki/Fi... By Steve Parker (originally posted to Flickr as Tree Fern) [CC BY 2.0 (https://creativecommons.org/licenses/...)], via Wikimedia Commons" Field of daisies "By Eneufeld at the English Wikipedia, CC BY-SA 3.0, https://commons.wikimedia.org/w/index..."