Green tree ants swarm over oak blue caterpillars but they are not attacking them. They are drinking a sweet liquid that the caterpillars give off especially to attract the ants. The ants act like living armor, shielding the caterpillar from wasps that might lay eggs on it. The ants and the caterpillars are partners in nature.
Ransom demand
Ransom demand A report by the UN Environment Program says that
China is the main contributor to a rise in the world's production
of CFCs and halons, which are the major contributors to ozone
destruction. Western countries have been asked to contribute $500
million to help China phase out their CFC production and
use. 4 DECEMBER 1999, P. 22
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