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arthropod morpho

This is the classification critera for athropoda

QuestionAnswer
Subphyla of Arthropoda is divided on the basis of what? Mouthparts, Appendage structure, Antennae number and primary habitat
Mouthparts Mouthparts are hollow mandibles or Chelicerae (hollow fangs). The mandibles are always horizontally opposed
Appendage Structure Uniramous ( last segment of a leg is unbranched) Biramous ( legs end in forked structure)
Antennae Number 0 Spiders, 1 insects, 2 Crayfish
Primary habitat Aquatic or terrestrial, aquatic Arthropods are 1st
Subphylum Chelicerta Aquatic Mouthparts are chlicertae, appendages are primitive and biramous, antennae are absent.
Subphylum Chilicerata Terrestrial Advanced antennae are absent are uniramous
Subphylum Crustica Mouthparts are mandibles. Biramous Appendages, 2 pairs of antennae ,Vast majority are aquatic
Subphylum Mirapodia Mouthparts are mandibles, Appendages are uniramous, 1 pair of antennae. They have a primarily terrestrial habitat. Have many body segments . Limited tagmosis
Subphylum Insecta Mouthparts are mandibles. Appendages Uniramous, 1 pair of antennae, vast majority are terrestrial.
Chlicerate Class Meristoma Horse shoe crabs
Chlicerate class pinchogondia sea spiders
Class Arachnida Spiders scorpions, ticks and mites
Created by: 100003332070938
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