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Insekten. Insekten (Insecta), auch Kerbtiere oder Kerfe genannt, sind die artenreichste Klasse der Gliederfüßer (Arthropoda) und zugleich die mit absoluter Mehrheit auch artenreichste Klasse der Tiere überhaupt. Beinahe eine Million Insektenarten sind bisher wissenschaftlich beschrieben worden (925.000 nach Grimaldi/Engel 2005, [1 ...
Insects have a chitinous exoskeleton, a three-part body ( head, thorax and abdomen ), three pairs of jointed legs, compound eyes, and a pair of antennae. Insects are the most diverse group of animals, with more than a million described species; they represent more than half of all animal species.
Die Insektenkunde oder Entomologie ist der Zweig der Zoologie, der sich mit den Insekten, der artenreichsten Gruppe von Lebewesen, befasst. Ein Insektenforscher wird fachsprachlich als Entomologe bezeichnet.
They are small terrestrial invertebrates which have a hard exoskeleton . Insects are the largest group of animals on Earth by far: about 926,400 different species have been described. [3] They are more than half of all known living species. [4] [4] [5] [6] [7] They may be over 90% of animal species on Earth.
Insect evolution is characterized by rapid adaptation due to selective pressures exerted by the environment and furthered by high fecundity. It appears that rapid radiations and the appearance of new species, a process that continues to this day, result in insects filling all available environmental niches.
Beetles are insects that form the order Coleoptera ( / koʊliːˈɒptərə / ), in the superorder Holometabola. Their front pair of wings are hardened into wing-cases, elytra, distinguishing them from most other insects.
3. Mai 2024 · insect, (class Insecta or Hexapoda), any member of the largest class of the phylum Arthropoda, which is itself the largest of the animal phyla. Insects have segmented bodies, jointed legs, and external skeletons ( exoskeletons ).
