How To Use Hexapod In A Sentence
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All hexapods have a body divided into three basic tagmata - head, thorax, and abdomen - and three pairs of thoracic legs.
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The oldest well-known fossil hexapod is called Rhyniella praecursor, a collembolan from the Early Devonian age Rhynie Chert.
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The discovery that terrestrial insects (Hexapoda) are more closely related to aquatic Crustacea than to the terrestrial centipedes and millipedes
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Myriapods have been traditionally considered the closest relatives of hexapods, thus implying only one origin of terrestriality for the tracheate lineage, but this view is now challenged by molecular evidence.
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In all cases, the two chelicerate species form a clade which is quite distinct from a Hexapoda / Crustacea clade.
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Phylogenetic analyses of a wide variety of gene sequences all support the hypothesis that hexapods and crustaceans form a monophyletic group to the exclusion of myriapods and chelicerates.
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With six legs, the hexapod tootles along quite happily at 26 centimeters per second.
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Hexapoda refers to all insects and their six-legged relatives.
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He is quite clear that the maxillipedes of Crustacea are the homologues of the feet of Hexapoda.
Form and Function A Contribution to the History of Animal Morphology
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Our results strongly support Pancrustacea (Hexapoda plus Crustacea) but also strongly favour the traditional morphology-based Mandibulata
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A brief description of the modeling of the hexapod is given in the first part of this contribution.
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They have no eyes, antennae, or caudal cerci but have a telson tail, which is common in crustaceans but absent in other hexapods.
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The matter focuses on an order of minuscule hexapods called collembolans, or springtails, which includes thousands of species.
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The history of hexapod disparity, as well as the potential effects of taphonomy on disparity measurement, is deserving of continued study.
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The matter focuses on an order of minuscule hexapods called collembolans, or springtails, which includes thousands of species.
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If this occurrence of a true hexapod insect from the Middle Silurian be really established, taken in connection with the well-defined Coleoptera from the Carboniferous, the origin of the entire group of terrestrial arthropoda is necessarily thrown back into the Cambrian epoch, if not earlier.
Darwinism (1889)
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More problematic are the relationships of the four major groups, hexapods (including insects), crustaceans, myriapods (including centipedes and millipedes), and chelicerates (including spiders).
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The Eradicator Hexapod's initial weapons are plasma discs that resemble closely the Devastator Warship's weapon.
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It is actually the second version of the largest all-terrain hexapod in the world.
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Within the insect group Hexapoda, the good news for taxonomists who have grouped insects according to body shape and features is that they were pretty much on the mark, Shultz added.
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Members of the Hexapodidae are easily identified if sterna and pereiopods are present, because possession of four pairs of pereiopods and seven exposed sternites is diagnostic for the family.
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This implies that water-to-land transition occurred at least three times (hexapods, myriapods, arachnids) during the evolution of the Arthropoda.
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Now, after analyzing 62 shared genetic sequences across all the arthropods, the researchers are putting the strange shrimp together with the six-legged insects, Hexapoda, to form a new group they dubbed Miracrustacea, or "surprising crustaceans.
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There are three lineages of primitively wingless hexapods that lack a dorsal appendage branch, and one, the Archaeognatha, with such a branch.
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We just saw a hexapod which deposits hot glue as it roams.
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The hexapod is ideal for many applications including industrial automation and manufacturing.
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Hexapoda: tracheate arthropods with head, thorax and abdomen distinct, and only six legs in the adult stage: the true insects.
Explanation of Terms Used in Entomology
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Major sections cover the relationships and evolution of each order of hexapods, or six-legged creatures.
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Presumably (assuming insects do derive from Crustacea) primitive hexapods evolved from marginal marine and amphibious crustaceans during the late Silurian or early Devonian.
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We find him supporting his comparison of the three anterior pairs of legs in _Julus_ to the three pairs of legs in insects by an argument drawn from embryology; for only the first three pairs of feet are present in _Julus_ at birth (Degeer), "an observation, which, together with their position, should cause them to be considered as the representatives of the six thoracic feet of Hexapoda" (p. 44).
Form and Function A Contribution to the History of Animal Morphology
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Hemocyanins have been studied thoroughly only in the Chelicerata and the malacostracan Crustacea, but they have been identified in all arthropod subphyla, including the Myriapoda and Hexapoda.
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The hexapod had to be considerably lightened and overhauled with a body made from carbon fiber instead of ABS plastic.
