Why do leaves come in so many shapes and sizes?
by Guardian Staff from Environment | The Guardian on (#1GH9Z)
Readers answer other readers' questions on subjects ranging from trivial flights of fancy to profound scientific concepts
I can't help noticing that trees have so many different shaped leaves, yet according to Darwin's theories, surely the single best shape should be able to out-compete the others. So, why in similar conditions, are there so many different shapes?
Peter Hughes, Harrow
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