Biodiversity - OCR (A) A Level Biology | Whole Topic Revision

In this revision video, we'll be covering the whole topic of Biodiversity for the OCR (A) A level Biology specification. The specification reference is 4.2.1. We'll look at how biodiversity can be considered at the genetic, species and habitat level; how to calculate genetic biodiversity and species biodiversity (using Simpson's Index); the practical skills required for this topic, i.e. sampling plants (quadrats, transects), sampling animals and estimating population sizes (i.e. Lincoln's index and the Petersen capture-release-recapture method); the factors affecting biodiversity (deforestation, agriculture and climate change); the aesthetic, economic and ecological reasons for maintaining biodiversity; the in situ and ex situ methods of conservation; international agreements.
This video is designed predominantly for revision purposes.

ONE-TO-ONE AND GROUP TUTORING:

Feel free to ask any questions or leave any feedback below.

[covenantfosu]

A very underrated video, very informative

[ayatxoxo]

Thank you so so much for this video! explained so well and effectively !!

[Strawberrypie]

Thank you these videos are incredible❤

[NajmaMohamed-khic]

Pls start posting again😢. I recently found this channel and its amazing!!! PLS PLS PLS COME Back🙏💞.
Praying that u stay healthy & safe ❤❤❤

[hikmatkhan]

This is absolutely amazing, thank you for making these videos. Will you make more on module 5&6?