https://www.examfear.com/notes/Class-12/Biology/Organisms-and-Populations/2544/Major-abiotic-factors-of-the-ecosystem.htm https://www.examfear.com/notes/Class-12/Biology/Organisms-and-Populations/2545/Responses-to-Abiotic-Factors.htm https://alevelbiology.co.uk/gcse/ecosystem-abiotic-biotic-factor...