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This may attract night-flying insects and aid in spore dispersal, but other functions may also be involved. [48] Quantula striata is the only known bioluminescent terrestrial mollusk. Pulses of light are emitted from a gland near the front of the foot and may have a communicative function, although the adaptive significance is not fully ...
Photuris female by flash photography (above); by her own light (below) Light production in fireflies is due to the chemical process of bioluminescence. This occurs in specialized light-emitting organs, usually on a female firefly's lower abdomen. The enzyme luciferase acts on luciferin, in the presence of magnesium ions, ATP, and oxygen to ...
A park named after the lighthouse, Bug Light Park, allows visitors to view the Portland Breakwater Light up close, while memorializing the shipbuilding efforts of World War II. [4] The light was added to the National Register of Historic Places as Portland Breakwater Light on June 19, 1973, reference number 73000238.
Fourth-order lens from Humboldt Harbor (Table Rock Light) (1.5 feet in diameter) loaned to NPS by United States Coast Guard in 1955. On exhibit in Old Point Loma Light from 1955 to May 1981 and returned to Coast Guard, May 1981. Third-order Fresnel lens (from Mile Rock LightMile Rocks Lighthouse) loaned to Cabrillo National Monument in May 1981.
Insect wings are adult outgrowths of the insect exoskeleton that enable insects to fly. They are found on the second and third thoracic segments (the mesothorax and metathorax ), and the two pairs are often referred to as the forewings and hindwings , respectively, though a few insects lack hindwings, even rudiments.
The damage caused can be fatal to attacking insects. Some bombardier beetles can direct the spray in a wide range of directions. The beetle's unusual defense mechanism is claimed by some creationists to be an example of what they call irreducible complexity , [ 2 ] though this is refuted by evolutionary biologists.
Endosymbiosis with micro-organisms is common in insects, with more than 10% of insect species relying on intracellular bacteria for their development and survival. [72] Aphids harbour a vertically transmitted (from parent to its offspring) obligate symbiosis with Buchnera aphidicola, the primary symbiont, inside specialized cells, the ...
The common denominator among most deposits of fossil insects and terrestrial plants is the lake environment. Those insects that became preserved were either living in the fossil lake (autochthonous) or carried into it from surrounding habitats by winds, stream currents, or their own flight (allochthonous).
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