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Succession and photosynthesis overview
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Photosynthesis as the energy input

Photosynthesis as the energy input

Chloroplast showing thylakoid membranes in grana for light-dependent reactions and stroma for the Calvin cycle, with light, water, oxygen, ATP, reduced NADP and carbon dioxide labelled

An ecosystem is a community of organisms interacting with abiotic factors such as light, temperature and water. Most ecosystems need a steady energy input, and photosynthesis is the main process that stores that energy in biomass.

Succession and photosynthesis overview Lesson

  1. A Level
  2. /Biology
  3. /Succession and photosynthesis overview

Step-by-step lessons on Edexcel A A Level Biology Succession and photosynthesis overview. Each one builds up to exam-style questions. Build a strong foundation in cell biology and biochemistry early on, since later topics on genetics, ecology and physiology all draw on these core concepts.

Lessons