科学家：屎壳郎为世上力量最大的昆虫
<p><span word="The">The</span> <span word="world">world</span>'<span word="s">s</span> <span word="strongest">strongest</span> <span word="insect">insect</span> <span word="is">is</span> <span word="a">a</span> <span word="type">type</span> <span word="of">of</span> <span word="maledung">maledung</span> <span word="beetlewhich">beetlewhich</span> <span word="needs">needs</span> <span word="its">its</span> <span word="power">power</span> <span word="to">to</span> <span word="be">be</span> <span word="able">able</span> <span word="to">to</span> <span word="mate">mate</span> <span word="with">with</span> <span word="females">females</span> <span word="in">in</span> <span word="animal">animal</span> <span word="faeces">faeces</span>, <span word="British">British</span> <span word="and">and</span> <span word="Australian">Australian</span> <span word="scientists">scientists</span> <span word="said">said</span> <span word="Wednesday">Wednesday</span>.</p><p><span word="Onthophagus">Onthophagus</span> <span word="taurus">taurus</span> <span word="can">can</span> <span word="pull">pull</span> 1,141 <span word="times">times</span> <span word="its">its</span> <span word="own">own</span> <span word="body">body</span> <span word="weight">weight</span> -- <span word="the">the</span> <span word="equivalent">equivalent</span> <span word="of">of</span> <span word="a">a</span> 70-<span word="kilogramme">kilogramme</span> (154-<span word="pound">pound</span>) <span word="person">person</span> <span word="being">being</span> <span word="able">able</span> <span word="to">to</span> <span word="lift">lift</span> 80 <span word="tonnes">tonnes</span>, <span word="the">the</span> <span word="weight">weight</span> <span word="of">of</span> <span word="six">six</span> <span word="double">double</span>-<span word="decker">decker</span> <span word="buses">buses</span>.</p><p><span word="The">The</span> <span word="extraordinary">extraordinary</span> <span word="strength">strength</span> <span word="of">of</span> <span word="many">many</span> <span word="of">of</span> <span word="the">the</span> <span word="beetles">beetles</span> <span word="is">is</span> <span word="due">due</span> <span word="to">to</span> <span word="their">their</span> <span word="unusual">unusual</span> <span word="mating">mating</span> <span word="arrangements">arrangements</span>.</p><p><span word="Even">Even</span> <span word="weaker">weaker</span> <span word="members">members</span> <span word="of">of</span> <span word="the">the</span> <span word="species">species</span> <span word="have">have</span> <span word="a">a</span> <span word="compensating">compensating</span> <span word="trait">trait</span> <span word="in">in</span> <span word="evolutionary">evolutionary</span> <span word="terms">terms</span> -- <span word="huge">huge</span> <span word="testicles">testicles</span> <span word="which">which</span> <span word="increase">increase</span> <span word="their">their</span> <span word="chances">chances</span> <span word="of">of</span> <span word="fertilising">fertilising</span> <span word="a">a</span> <span word="female">female</span>.</p><p>"<span word="Insects">Insects</span> <span word="are">are</span> <span word="well">well</span> <span word="known">known</span> <span word="for">for</span> <span word="being">being</span> <span word="able">able</span> <span word="to">to</span> <span word="perform">perform</span> <span word="amazing">amazing</span> <span word="feats">feats</span> <span word="of">of</span> <span word="strength">strength</span> <span word="and">and</span> <span word="it">it</span>'<span word="s">s</span> <span word="allon">allon</span> <span word="account">account</span> <span word="oftheir">oftheir</span> <span word="curious">curious</span> <span word="sex">sex</span> <span word="lives">lives</span>," <span word="said">said</span> <span word="Dr">Dr</span> <span word="Rob">Rob</span> <span word="Knell">Knell</span> <span word="of">of</span> <span word="Queen">Queen</span> <span word="Mary">Mary</span>, <span word="University">University</span> <span word="of">of</span> <span word="London">London</span>, <span word="one">one</span> <span word="of">of</span> <span word="the">the</span> <span word="researchers">researchers</span>.</p><p>"<span word="Female">Female</span> <span word="beetles">beetles</span> <span word="of">of</span> <span word="this">this</span> <span word="species">species</span> <span word="dig">dig</span> <span word="tunnels">tunnels</span> <span word="under">under</span> <span word="a">a</span> <span word="dung">dung</span> <span word="pat">pat</span>, <span word="where">where</span> <span word="males">males</span> <span word="mate">mate</span> <span word="with">with</span> <span word="them">them</span>.</p><p>"<span word="If">If</span> <span word="a">a</span> <span word="male">male</span> <span word="enters">enters</span> <span word="a">a</span> <span word="tunnel">tunnel</span> <span word="that">that</span> <span word="is">is</span> <span word="already">already</span> <span word="occupied">occupied</span> <span word="by">by</span> <span word="a">a</span> <span word="rival">rival</span>, <span word="they">they</span> <span word="fight">fight</span> <span word="by">by</span> <span word="locking">locking</span> <span word="horns">horns</span> <span word="and">and</span> <span word="try">try</span> <span word="to">to</span> <span word="push">push</span> <span word="each">each</span> <span word="other">other</span> <span word="out">out</span>."</p><p><span word="Knell">Knell</span> <span word="added">added</span> <span word="that">that</span> <span word="some">some</span> <span word="male">male</span> <span word="dung">dung</span> <span word="beetles">beetles</span> <span word="are">are</span> <span word="smaller">smaller</span> <span word="and">and</span> <span word="weaker">weaker</span>, <span word="but">but</span> <span word="do">do</span> <span word="not">not</span> <span word="have">have</span> <span word="to">to</span> <span word="fight">fight</span> <span word="for">for</span> <span word="female">female</span> <span word="attention">attention</span> <span word="due">due</span> <span word="to">to</span> <span word="their">their</span> "<span word="substantially">substantially</span> <span word="bigger">bigger</span> <span word="testicles">testicles</span>".</p><p>"<span word="This">This</span> <span word="suggests">suggests</span> <span word="they">they</span> <span word="sneak">sneak</span> <span word="behind">behind</span> <span word="the">the</span> <span word="back">back</span> <span word="of">of</span> <span word="the">the</span> <span word="other">other</span> <span word="male">male</span>, <span word="waiting">waiting</span> <span word="until">until</span> <span word="he">he</span>'<span word="slooking">slooking</span> <span word="the">the</span> <span word="other">other</span> <span word="wayfor">wayfor</span> <span word="a">a</span> <span word="chance">chance</span> <span word="to">to</span> <span word="mate">mate</span> <span word="with">with</span> <span word="the">the</span> <span word="female">female</span>," <span word="he">he</span> <span word="said">said</span>.</p><p>"<span word="Instead">Instead</span> <span word="of">of</span> <span word="growing">growing</span> <span word="super">super</span> <span word="strength">strength</span> <span word="to">to</span> <span word="fight">fight</span> <span word="for">for</span> <span word="a">a</span> <span word="female">female</span>, <span word="they">they</span> <span word="grow">grow</span> <span word="lots">lots</span> <span word="more">more</span> <span word="sperm">sperm</span> <span word="to">to</span> <span word="increase">increase</span> <span word="their">their</span> <span word="chances">chances</span> <span word="of">of</span> <span word="fertilising">fertilising</span> <span word="her">her</span> <span word="eggs">eggs</span> <span word="and">and</span> <span word="fathering">fathering</span> <span word="the">the</span> <span word="next">next</span> <span word="generation">generation</span>."</p>
页:
[1]