A denial of evolution deliberately started quarrel (8,4,6)

I believe the answer is:

argument from design

I'm a little stuck... Click here to teach me more about this clue!

'a denial' is the definition.
Both the definition and answer are singular nouns.
Perhaps you can see a link between them that I don't see?

'of evolution deliberately started quarrel' is the wordplay.
I cannot quite see how this works, but
'of' could be 'o' and 'o' is found within the answer.
'quarrel' could be 'argument' (I've seen this in another clue) and 'argument' is found in the answer.
This may be the basis of the clue (or it may be nonsense).

Can you help me to learn more?

I've seen this clue in The Times.

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