Hexapoda In A Sentence
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- Watase has shown, in a very convincing way, how by deepening the pit-like set of cells beneath a simple lens the more complex ommatidia of the compound eyes of Crustacea and Hexapoda may be derived fr
- Given its morphology resembles extant species quite closely, the radiation of the Hexapoda can be situated in the Silurian, or more.
- In the metabolic Hexapoda the resting pupal instar shows externally the wings and other characteristic imaginal organs which have been gradually elaborated beneath the larval cuticle.
- (See Hexapoda, Neuroptera.) Bibliography.
- Finally, the phylogenetic relationship of taxa with complete mitochondrial genome from Hexapoda was reconstructed by concatenated amino-acid sequences of 12 proteins downloaded from GenBank.
- This flexible tube is the functional ovipositor, the typical insectan ovipositor with its three pairs of processes (see Hexapoda) being undeveloped among the Coleoptera.
- On either view it may be believed that the Hexapoda arose with the allied classes from a primitive arthropod stock, while the relationships of the class are with the Crustacea, the Chilopoda and the D
- Studies based on morphology led to the Pancrustacea hypothesis, in which Crustacea and Hexapoda ( insects and allies ) are sister groups.
- Hexapoda mostly with wings, the wingless forms clearly degraded.
- Whipbirds and wedgebills generally feed on prey including insects ( Hexapoda ) and spiders ( Araneae ).
- The term nymph is applied by many writers on the Hexapoda to all young forms of insects that are not sufficiently unlike their parents to be called larvae.
- Carpenter (1899, 1902-1904) has lately endeavoured to show an exact numerical correspondence in segmentation between the Hexapoda, the Crustacea, the Arachnida, and the most primitive of the Diplopoda
- As mentioned above, respiration by means of airtubes (tracheae) is a most characteristic feature of the Hexapoda.
- We can gather no indication of the forefathers of the Hexapoda or of the Chilopoda less specialized than they are, whilst possessing the essential characteristics of these classes.
- - Reasons have been given for regarding the Thysanura as representing, more nearly than any other living group, the primitive stock of the Hexapoda.
- For the relationship of the Coleoptera to other orders of insects see Hexapoda.
- The lateral eyes of Crustacea are polymeniscous, with highly specialized retinulae like those of Hexapoda, and unlike the simpler compound lateral eyes of lower Arachnida.
- Altogether, eight orders are recognized in the classification adopted here, the first five of these belonging to the sub-class Exopterygota and the last three to the Endopterygota (see Hexapoda).
- Part by the yolk, and in part by those anterior and posterior rudiments Its composition has been the subject of prolonged difference of which usually form the mesenteron, but that in some Hexapoda opi
- The orders included in the various classes are not discussed here, but are treated of under the following titles: - Peripatus (Onychophora), Centipede and Millipede (Myriapoda), Hexapoda (Insecta), Ar
- Classes: Arachnida, Insecta (including Sub-Classes M y riapoda, Hexapoda), Crustacea (including Sub-Classes Entomostraca, Malacostraca), Epizoa (Epizootic Crustacea), Annellata (Chaeto p ods and Leech
- Hexapoda (Gr., six, and g obs, foot), a term used in systematic zoology for that class of the Arthropoda, popularly known as insects.
- The embryonic development of several genera of Aptera, which has been carefully studied, will be more suitably described in comparison with that of other insects than here (see Hexapoda).
- Among the Hexapoda generally there is no subsequent ecdysis nor any further growth after the assumption of the winged state.
- These three authors definitely separated the Arachnida, Crustacea and Myriapoda as classes distinct from the Insecta (see Hexapoda).
- In Crustacea and Hexapoda of all grades we find compound eyes with the more complicated ommatidia described above.
- Amongst the non-insect classes of the Hexapoda, both Collembola and Diplura have antenna, but Protura do not.
- Of the animals included in the class Hexapoda of the great phylum (or sub-phylum) Arthropoda.
- THYSANOPTERA (Oiaavos, a fringe, and 7rTepbv, a wing), a term used in zoological classification for a small order of the class Hexapoda.
- The Orthoptera have been largely used for anatomical and embryological researches, the more important of which are mentioned under Hexapoda (q.v.).
- These eyes are called diplostichous, and occur in Arachnida and Hexapoda (fig.
Similar words: Hexastyle, Hexandria, Hexagrammos, Hexahydride, Hexapla, Hexatomic, Hexanes, Hexahedra, Hexaphenylethane, Hexapod, Hexestrol, Hexanitrodiphenylamine, Hexabasic, Hexapylon, Hexahedron, Hexaoxybenzene, Hexadecane, Hexabromide, Hexanedione, Hexene