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Polistes fuscatus
2014-02-10 10:05:21

Aggression-causing genes appeared early in animal evolution and have maintained their roles for millions of years and across many species, even though animal aggression today varies widely from territorial fighting to setting up social hierarchies.

e265af7e713a3ad6bdacb060e69e05221
2010-04-27 12:23:04

They are both nest-building social insects, but paper wasps and honey bees organize their colonies in very different ways.


Word of the Day
palinode
  • A poem in which the author retracts something said in an earlier poem.
The word 'palinode' comes from Greek roots meaning 'again' and 'song'.
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