Practice question · True or false
Sexual reproduction persists because it benefits the species as a whole.
Hints
- At what level does natural selection actually act?
- Selection acts on individuals and genes, so an explanation must work at that level.
Show the answer
False
Why
False, selection acts on individuals and genes, not species. Any account of sex must explain why sexual individuals leave more surviving descendants; group-level reasoning here is a classic misstep that gets the mechanism wrong.
Practise The Origin and Evolution of Sex
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