为什么咬会被蓝色的物体吸引?
Roger D Santer1, Otar Akanyeti2, John A Endler3
1Department of Life Sciences, Aberystwyth University, Aberystwyth SY23 3FG, UK.
Proceedings. Biological sciences
|June 26, 2023
概括
昼间咬的被蓝色物体所吸引,这种行为用于控制. 研究表明,由于特定的视觉线索,蓝色物体模仿动物宿主,解释了这种吸引力.
科学领域:
- 昆虫学 昆虫学是一门学科.
- 动物行为 动物行为
- 视觉生态学视觉生态学
背景情况:
- 昼间虫对蓝色物体有很强的吸引力.
- 这种行为被用来控制,但它的生态意义仍有争议.
- 假设表明蓝色物体模仿动物宿主,阴影区域,或是偏振光吸引的副产品.
研究的目的:
- 为了研究日间咬的中蓝色物体吸引的功能意义.
- 从的视觉角度来看,确定蓝色物体是否类似于动物宿主或阴影下的休息地点.
- 为了确定最佳的感觉机制,会使用动物,叶子背景和阴影/无阴影的表面来区分动物.
主要方法:
- 在各种照明条件下,计算机的光受体从叶子和动物皮肤的反射光谱中发出信号.
- 训练有素的人工神经网络 (ANN) 来区分动物和叶子,以及基于感官信息的阴影和未阴影的表面.
- 挑战训练有素的ANN分类飞行控制中常用的蓝色物体.
主要成果:
- 通过使用蓝绿色光受体对立性,ANN精确地从叶子背景区分动物.
- 蓝色物体经常被ANN错误地归类为动物.
- 阴影和无阴影的表面被使用无色线索进行了区分,蓝色物体没有被错误地归类为阴影.
结论:
- 蓝绿色光受体对立性是区分动物宿主和叶子背景的最有效机制.
- 由于这种特殊的视觉机制,蓝色物体可能类似于动物宿主.
- 对蓝色物体的吸引力主要与宿主模仿有关,而不是阴影区域的相似性.
相关概念视频
What is Natural Selection?
Natural selection is an evolutionary process in which individuals with survival-promoting traits reproduce at higher rates. These favorable traits become more common within a population or species. Naturally selected traits initially arise via random genetic mutations. In order for selection to occur, there must be variation within a population, the trait controlling the variation must be heritable, and there must be an evolutionary advantage for variation in the trait.The Theory of Natural...
Predator-Prey Interactions
Predators consume prey for energy. Predators that acquire prey and prey that avoid predation both increase their chances of survival and reproduction (i.e., fitness). Routine predator-prey interactions elicit mutual adaptations that improve predator offenses, such as claws, teeth, and speed, as well as prey defenses, including crypsis, aposematism, and mimicry. Thus, predator-prey interactions resemble an evolutionary arms race.Although predation is commonly associated with carnivory, for...
Colors and Magnetism
Color in Coordination Complexes
When atoms or molecules absorb light at the proper frequency, their electrons are excited to higher-energy orbitals. For many main group atoms and molecules, the absorbed photons are in the ultraviolet range of the electromagnetic spectrum, which cannot be detected by the human eye. For coordination compounds, the energy difference between the d orbitals often allows photons in the visible range to be absorbed and emitted, which is seen as colors by the human eye.
When atoms or molecules absorb light at the proper frequency, their electrons are excited to higher-energy orbitals. For many main group atoms and molecules, the absorbed photons are in the ultraviolet range of the electromagnetic spectrum, which cannot be detected by the human eye. For coordination compounds, the energy difference between the d orbitals often allows photons in the visible range to be absorbed and emitted, which is seen as colors by the human eye.
Electric Charges
From lightning during thunderstorms to electronic devices, the phenomenon of electromagnetism is all around us. The electromagnetic force is one of the four fundamental forces of nature. It has been known to humanity in various forms for thousands of years. For example, the ancient Greek philosopher Thales of Miletus recorded his experiments on static electricity using amber and fur in the sixth century BC.
The English physicist William Gilbert studied the phenomenon of static electricity in...
The English physicist William Gilbert studied the phenomenon of static electricity in...
Color Vision
Color perception begins in the retina, the light-sensitive layer at the back of the eye. Two main theories explain how colors are seen: the trichromatic theory and the opponent-process theory. The trichromatic theory, proposed by Thomas Young in 1802 and extended by Hermann von Helmholtz in 1852, suggests that color vision is based on three types of cone receptors in the retina. These cones are sensitive to different but overlapping ranges of wavelengths corresponding to red, blue, and green.
Microbial Interactions: Predation
Microbial predation refers to the process by which one microorganism kills and consumes another to obtain nutrients and energy. It encompasses both bacterial and protozoan predators. This interaction plays a crucial role in shaping microbial communities and regulating nutrient cycling.Bacterial Predators: Epibiotic vs. EndobioticBacterial predators are classified based on their mode of attack as either epibiotic or endobiotic. Epibiotic predators, such as Vampirococcus, attach to the surface of...


