IT DESCRIBES SOME ANIMALS WHICH USE CHEMICALS IN OFFENCE OR DEFENCE AND THE MECHANISM THEY ADOPT FOR IT

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v Chemicals in offense or defense .
Vivid pink black and yellow green maroon blue spots of ‘Arrow-poison
frogs’ of America act as warning colours and along with very powerful
poison and antibiotics in its skin provide good defense .
Hissing loudly the luridly coloured Lubber grasshopper foams at the
mouth and thorax in self defense .as the bursting bubbles release a
pungent gas as a protective mist and is sufficient to dissuade any predator .
Deadly Bulldog ants of Australia ,relatives of fire ants bite and sting at
the same time and bound through the air towards intruders using
chemicals for communication ,orientation and defense .
Caterpillars of European Pine saw fly use a chemical trick to confuse
or kill a scouting messenger ant by dabbing its head and antennae with
a gum which acts as a danger signal for other ants .
Termites have an arsenal of chemical weapons and some species use a
squirt gun on their heads to shoot toxins at the enemy .

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vi size and/or numbers or weight
Many animal species seek safety this way –for example
Musk oxen ,white Rhino and blue whales - the later being largest
animals on earth today.
vii Some other ways
Cassowarys are known for their viscious powerfull Dagger feet
and Whale sharks have skin as tough as an armour .