Insects are the most numerous life form on the planet (in terms of number of species). Approximately seven out of every eight living species are insects. Insects show a number of characteristics, the three by which they are most easily recognised are:-

  1. Three body parts
    • Head
    • Thorax
    • Abdomen
  2. Three pairs of legs
  3. Two pairs of wings
A photograph of a Red Admiral butterfly (_Vanessa atalanta_).

A photograph of a Red Admiral butterfly (Vanessa atalanta). Butterflies are some of the most well-known insects.

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