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Six-legged animals are generally insecta. They have existed since millions of years ago So many species of insect animals and still stout species of these animals have not been recognized by its kind

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Explore the world of six-legged animals that are so familiar with insects. Although they are present in almost every place, but sometimes its presence does not really interest us except those who have a beautiful look.

Insects are invertebrates belonging to arthropod groups. The science of studying insects is called entomology, His body is divided into head, chest and abdomen. They live on land and breathe with tracheae, tubes that are in the stomach by collecting air

How insects multiply ?

Here's the explanation

70% of the insects have separate morphologically distinct sex from each other, and must mate with each other to breed. And 25% of unmarried mating insects can enter whether the insect is called parthenogenesis and asexual type. There is a hermaphrodite insect species that has 2 functional sexes in the same individual. Some insects, such as the aphids that are vivipar and parean live young. Others are ovoviviparous like a beetle.

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The nervous system consists of brain and nerve chains. The brain is at the head of the insect, then connected with protecerebro, eutocerebro and tritocerebro and their esophageal ganglion. All angles are connected by nerves.

Digestive tools
The digestive system of insects such as tubes, usually oped tubes extending from the mouth to the anus is divided into three regions
the stomodeum, minestrone and proctodeum

Abdominal area
Abdominal insects usually typically have 10 segments and generally contain many internal organs. The genital segment may contain structures associated with external openings of the genital tract.

Head

On the head there are mouth, eye, and antenna

Insects are very useful for many things, such as honeybees give the benefit of honey to humans, but some other insects are dangerous and sometimes annoying like mosquitoes for example.

The main characteristics of insects

Insect body is divided into 3 parts: head, chest and abdomen

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Benefits of insects

Insects help the pollination process so that plant crops can grow well and bear fruit. But the weakness of insects, some insects can transmit disease, such as mosquitoes. In addition, insects can also become a pest in the farmer's garden.

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