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主题 : Spider Facts 蜘蛛趣聞
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楼主  发表于: 2012-03-07   

Spider Facts 蜘蛛趣聞

神話故事中提到古希臘人相信蜘蛛是一個名叫雅芮克妮(Arachne)的女子變成的。現代生物學分類中,蜘蛛所屬的「蛛型綱」學名 Arachnida 就是源自她的名字。 八隻腳的蜘蛛並不是昆蟲(insect)類,而是蠍子(scorpion)和蜱蝨(mite)的親戚喔!來看看蜘蛛還有什麼特點:
  • Male spiders are usually smaller than females. They often perform courtship rituals to avoid being eaten by females before mating. Some male spiders pluck their cobwebs like guitar strings to attract female spiders.
    雄蜘蛛體型通常比雌蜘蛛小。牠們常會表演求愛儀式以避免在交配前就被雌性吃掉。有些雄蜘蛛會像撥吉他弦一樣撥動牠們的蜘蛛網來吸引雌蜘蛛。

  • Orb weaver spiders in the tropics are known to spin webs larger than 18 feet across. They make a new web every day and eat the old one.
    熱帶的圓網蜘蛛已知可編出直徑超過十八英尺(約六公尺)的網子。牠們每天都會編造一個新網並把舊網吃掉。

  • Spider silk is stronger than steel on an equal weight basis.
    蜘蛛絲比等重的鋼鐵還強韌。

  • A jumping spider can jump up to twenty-five times its own body length.
    跳蛛能跳的最遠距離可達其身長的二十五倍。

  • Arachnophobia is the term used for the fear of spiders, and it is one of the most common phobias.
    「恐蛛症」(Arachnophobia)是用來形容恐懼蜘蛛的術語,這是最常見的恐懼症之一。

  • Spiders can't chew or swallow. They use their fangs to inject their prey with digestive enzymes or pour the enzymes over the prey, liquefying it to allow the spider to suck it up.
    蜘蛛不能咀嚼或吞嚥。牠們用毒刺將消化性酵素注入獵物體內或將酵素撒滿獵物全身,讓獵物液體化以便讓蜘蛛吸收。

  • Spiders rely on a combination of muscles and blood pressure to move their eight legs.
    蜘蛛依靠肌肉和血壓的組合來移動八隻腳。

  • Some large spiders (large tarantulas) can live to be more than twenty years old.
    有些大型蜘蛛(大型毛蜘蛛)可活超過二十年。

  • All but one type of the approximately 40,000 species of spiders are venomous.
    在大約四萬種蜘蛛中,只有一種沒有毒。

  • Female wolf spiders don't build webs, but they carry their baby spiders around on their back until the young are old enough to leave.
    雌狼蛛不會結網,但牠們會把小蜘蛛背在背上到處走,直到小蜘蛛長大到能夠離開為止。
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