How do I revise Ecosystem & Ecology quickly before the exam?
One-page summary of Energy flow, Ten percent law, Trophic levels, then timed previous-year questions.
Fast revision plan for Ecosystem & Ecology: (1) On one page, write the key ideas — Energy flow, Ten percent law, Trophic levels. (2) Redo 15–20 previous-year questions, timed. (3) The next day, re-attempt only the ones you got wrong. Active recall beats re-reading.
Memory tip
One-page summary + timed PYQs tonight; redo only the wrong ones tomorrow morning.
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