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write an essay on cockroaches
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Answer:
Cockroaches are found in warm, dark and damp places. They commonly inhabit kitchens, restaurants, store houses, godowns, railway wagons, ships, etc. They are numerous in underground drains.
They are nocturnal insects preferring darkness and become active during night, but remain hidden under some objects and take rest during day time.
Cockroaches are omnivorous in diet, feeding on almost all kinds of food matter including human food, paper, leather, cloth and even dead bodies of their fellows (show cannabilism). They prefer starch containing food. Cockroaches are cursorial insects, viz., run very fast. They fly very rarely as they are not good fliers.
Cockroaches are unisexual, viz., male and female sexes are found in different individuals. They show sexual dimorphism, viz., one sex can be distinguished from the other externally. Cockroaches are oviparous, viz., they lay eggs. Parental care is seen in these insects.
The young cockroaches, called the nymphs, resemble the adults in most of the characters, but are smaller in size, pale in colour, devoid of wings. Nymphs undergo moulting or ecdysis, in which the casting of older skin takes place. The nymphs gradually change into adults.
Lizards, birds, moles and even toads are the chief enemies of the cockroaches.
cockroaches are the insects commonly found in our houses it creates lots of dirtyness in a our house. it can live without their head there face between 2-3 weeks. they have not nose but they smell with there antenas present at there head
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