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  2. External morphology of Lepidoptera - Wikipedia

    en.wikipedia.org/wiki/External_morphology_of...

    The wings are moved by the rapid muscular contraction and expansion of the thorax. [11] The wings arise from the meso- and meta-thoracic segments and are similar in size in the basal groups. In more derived groups, the meso-thoracic wings are larger with more powerful musculature at their bases and more rigid vein structures on the costal edge. [7]

  3. Anhinga - Wikipedia

    en.wikipedia.org/wiki/Anhinga

    The male is a glossy black-green with the wings, base of wings, and tail a glossy black-blue. [14] The tip of the tail is white. [15] The back of the head and the neck have elongated feathers that have been described as gray [16] or light purple-white. [14] The upper back of the body and wings are spotted or streaked with white. [16]

  4. Insect wing - Wikipedia

    en.wikipedia.org/wiki/Insect_wing

    Two constants that are found in nearly all insect wings are the claval (a flexion-line) and jugal folds (or fold line); forming variable and unsatisfactory boundaries. Wing foldings can be very complicated, with transverse folding occurring in the hindwings of Dermaptera and Coleoptera, and in some insects the anal area can be folded like a fan ...

  5. The myth about floaties and water wings that all parents ...

    www.aol.com/news/myth-floaties-water-wings...

    According to a survey conducted online by The Harris Poll on behalf of PHTA, 66% of parents believe that floaties and water wings keep children safe in the water, despite the fact that these ...

  6. Gerridae - Wikipedia

    en.wikipedia.org/wiki/Gerridae

    Water striders experience wing length polymorphism that has affected their flight ability and evolved in a phylogenetic manner where populations are either long-winged, wing-dimorphic, or short-winged. [10] Wing dimorphism consists of summer gerrid populations evolving different length wings than winter populations within the same species.

  7. Sea angel - Wikipedia

    en.wikipedia.org/wiki/Sea_angel

    Gymnosomes slowly beat their wing-like parapodia [2] in a rowing motion [9] to propel their "perfectly streamlined" [9] bodies through the upper 20 m of the water column. Although usually slow-moving, beating their wings once or twice per second, they are capable of bursts of speed when they need to pursue their prey, calling a separate suite ...

  8. Dipper - Wikipedia

    en.wikipedia.org/wiki/Dipper

    Their short wings give them a distinctive whirring flight. [ 8 ] [ 9 ] [ 10 ] They have a characteristic bobbing motion when perched beside the water, giving them their name. While under water, they are covered by a thin, silvery film of air, due to small bubbles being trapped on the surface of the plumage.

  9. Thin-film interference - Wikipedia

    en.wikipedia.org/wiki/Thin-film_interference

    Thin-film interference caused by water-lipid boundary. Thin-film interference is a natural phenomenon in which light waves reflected by the upper and lower boundaries of a thin film interfere with one another, increasing reflection at some wavelengths and decreasing it at others. When white light is incident on a thin film, this effect produces ...

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