問題詳情

【題組】35.(AB) Not only is the substance biologically expensive, taking weeks to replace, but not having it makes the arachnid even more vulnerable to attack.(AC) If prey or predators make contact, the fish sends the venom through the hollow spines to stab the interloper.(AD) It’s important to note that of the 1,750 scorpion species on Earth, only 25 are lethal to people.(AE) To accomplish this, the wasp must first take control of the host bug’s actions and behaviors—all of which is accomplished by stinging it.(BC) First one shaft goes in and embeds itself there, then the other, “walking” themselves into the skin.(BD) These contain stinging capsules, or nematocysts, with spring-loaded caps.(BE) Zooplankton, a favorite prey, gives off vibrations that trigger the capsules to open, releasing toxin-filled microtubules with a sharp tip that impale and envenomate prey

參考答案

答案：A,B
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用户評論

【用戶】不叫賭俠的陳小刀

【年級】高三下

【評論內容】Like most venomous animals, scorpions would prefer to hide from predators or crush prey in their claws than deploy their venom. Not only is the substance biologically expensive, taking weeks to replace, but not having it makes the arachnid even more vulnerable to attack. That’s why scorpions have a range of stings at their disposal.與大多數有毒動物一樣，蝎子寧願躲避捕食者或用爪子碾碎獵物，也不願使用毒液。 這種物質不僅在生物學上很昂貴，需要數週才能更換，而且沒有它會使蛛形綱動物更容易受到攻擊。 這就是為什麼蝎子可以隨意使用各種蜇針的原因。

【用戶】不叫賭俠的陳小刀

【年級】高三下

【評論內容】Like most venomous animals, scorpions would prefer to hide from predators or crush prey in their claws than deploy their venom. Not only is the substance biologically expensive, taking weeks to replace, but not having it makes the arachnid even more vulnerable to attack. That’s why scorpions have a range of stings at their disposal.與大多數有毒動物一樣，蝎子寧願躲避捕食者或用爪子碾碎獵物，也不願使用毒液。 這種物質不僅在生物學上很昂貴，需要數週才能更換，而且沒有它會使蛛形綱動物更容易受到攻擊。 這就是為什麼蝎子可以隨意使用各種蜇針的原因。