Insects have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs of jointed legs, compound eyes and one pair of antennae.The most diverse group of animals, they include more than a million described species and represent more than half of all known living organisms.[ Practical, Applied, Theory-Free Jew Teaching for Everyone | Race | Religion | Philosophy | History of Ideas | ...History of Silly Ideas | Sociology | Organisations: Unions, Political Groups, Govt Departments, New Organisations | Populations, Demography | Geography | Finance | Media Studies | BBC | Books | Film | Critics | Education | Jewish exam paper | Science | Scientific Method | Medicine, Nutrition | Health vs Harm Studies | Agriculture | History | International History ...the 'Third World' | Classics | Local History | Economic History | Psychology | Anthropology | Evolution | Engineering | Math and Mathematical Models | Women's Studies, Feminism | Economics | Business | Military | Military History | Military Intelligence | Weapon Distribution | Art | Housing | Politics | Law & International Law | Peace Studies | Statistics | Crimes, Policing | Jewish Marxism | Jew Awareness | Civilisations / Futurology of Jews | Talmud notes ] There are obvious reasons for warning young people about murderers, rapists, fraudsters, kidnappers, thieves and so on.And warning them of risky locations and situations.Many other insects are considered ecologically beneficial as predators and a few provide direct economic benefit.
The life cycles of insects vary but most hatch from eggs.
Adult insects typically move about by walking, flying, or sometimes swimming.
As it allows for rapid yet stable movement, many insects adopt a tripedal gait in which they walk with their legs touching the ground in alternating triangles.
In some cultures, people eat the larvae or adults of certain insects.
(éntomos) or "insect" (as in entomology), which was Aristotle's term for this class of life, also in reference to their "notched" bodies.
Some species, such as water striders, are capable of walking on the surface of water.