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NEW TPO 4 What is suggested about fireflies?

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Bioluminescent Organisms
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Bioluminescence is the production and emission of light by living organisms. Observed in fireflies, jellyfish, and certain fungi, this light is generated through a chemical reaction involving luciferin and luciferase. Fireflies use bioluminescence to communicate, facilitating mating and deterring predators. Jellyfish use light to startle predators, providing an opportunity to escape. Some deep-sea organisms use bioluminescence for hunting, emitting light to attract prey.

Bioluminescence is not limited to animals. Certain fungi, like the ghost fungus, glow in the dark to attract insects that help disperse their spores. Scientists study bioluminescence to develop new technologies, exploring bioluminescent proteins for medical imaging and environmental monitoring. The exact mechanisms of bioluminescence are still not fully understood, despite its intriguing applications.

Ongoing research aims to uncover more about how organisms produce light and why this ability evolved. One area of interest is understanding the genetic and molecular basis of bioluminescence. As scientists delve deeper into the mysteries of bioluminescence, they may discover even more ways to harness this natural phenomenon. This has led to breakthroughs in several scientific fields, including genetics and biotechnology, demonstrating the wide-ranging potential of studying bioluminescence.

2.What is suggested about fireflies?

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正确答案:C
题目解析:
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题干:关于萤火虫暗示了什么?选项:A. 它们利用生物发光来蒙蔽捕食者。B. 它们利用生物发光来狩猎。C. 他们用生物发光来交流。D. 它们主要利用生物发光来治疗。 推理题,根据题干fireflies定位到第一段第2-3句,在萤火虫、水母和某些真菌中观察到,这种光是通过涉及荧光素和荧光素酶的化学反应产生的。萤火虫利用生物发光进行交流,促进交配和阻止捕食者。选项A说它们利用生物发光来蒙蔽捕食者,第3句说的是阻止捕食者,选项A错误。选项B它们利用生物发光来狩猎,这个没有提到,第一段最后一句说的是一些深海生物利用生物发光来捕猎,不符合题干问题,错误。选项C他们用生物发光来交流,对应第3句,Fireflies use bioluminescence to communicate萤火虫利用生物发光进行交流,是正确的。选项D它们主要利用生物发光来治疗,并没有提到。在第二段中有提到medical的相关信息,但并不符合题干的问题,错误。

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