蝴蝶有復眼嗎,蝴蝶有復眼嗎 _生活百科

1、蝴蝶有復眼嗎對于昆蟲來說，復眼的作用就是可以讓它在空中捕獲食物，還能說是主要的視覺器官，那么蝴蝶有復眼嗎？蝴蝶有復眼，一般都是在蝴蝶頭部，占據著很突出的位置，可以方便它更好去捕捉食物，碰到危險的時候也能更快逃生。蝴蝶有一對復眼，有趨光性，由一萬五千多的小眼睛組合起來，呈現出來六角形的楔狀，上面有些大，下面尖，每個小眼睛的側面，彼此之間都會相互緊密在一起。另外在每個小眼睛上面都有角膜和色素細胞等，屬于很獨立的感光單位。

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2、蝴蝶有多少只眼睛?兩只復眼，每只復眼有很多小的單眼，種類不同而數目不同。一般在100只以上。
As do all insects, butterflies and moths have a hard outer covering, or exoskeleton, that supports and protects the body. Also typical of insects, lepidopterans possess a body divided into three main parts—head, thorax, and abdomen—and have three pairs of jointed legs.
The small, round head protects the lepidopteran’s brain and bears the insect’s sensory organs and mouthparts. Butterflies and moths have a pair of large, oval, compound eyes, each made up of thousands of individual lenses, or ommatidia. In spite of the many lenses, the lepidopteran eye is thought to see a single, reasonably clear image. In addition to the spectrum of colors from red to violet that humans can see, butterflies and moths can perceive ultraviolet wavelengths of light.
Luna Moth
The full-grown luna moth has transparent circles bordered by light yellow and blue rings on its light green wings. Luna moths reproduce twice a year and eat the leaves of trees in the deciduous forests they inhabit. Now endangered because of contaminated food sources and pesticides, the luna moth is found only in North America.
Encarta Encyclopedia
Animals Animals/Breck P. Kent
Two antennae protrude from the head. The antennae are covered with many small pits that serve as smelling organs, enabling the butterfly or moth to locate food sources by scent. Scent also plays a role in lepidopteran mating. The antennae of many male moths, equipped with elaborate side bristles, resemble feathers or ferns and are thought to give the moths a particularly sharp sense of smell, enabling them to locate females from several kilometers away. The function of the knobs on the ends of butterfly antennae is not fully understood. But butterflies lacking one antenna tend to fly in circles, which suggests that the knobs may play a role in orientation.
The lepidopteran’s mouth is located between its eyes. When it is not feeding, the butterfly or moth keeps its tongue, or proboscis, curled up below its face. The animal can uncoil the proboscis, which functions like a drinking straw, and insert it into flowers and other food sources. The proboscis may vary in length from a fraction of an inch to a foot or more. A few moths, such as the giant silk moths, have no functional mouthparts, and one family of tiny moths has jawlike structures called mandibles instead of a proboscis. These moths use their mandibles for chewing pollen grains.
Homerus Swallowtail
The large wings and long, tail-like shapes on the hindwings of this Homerus swallowtail butterfly, Papilo homerus, are characteristic of many species in its family, as is its contrasting light/dark coloration. Due to overcollection, the Homerus, unique to Jamaica, is now an endangered species.
Encarta Encyclopedia
Dorling Kindersley
Full Size
The thorax, or middle body part, of a butterfly or moth is the thickest of the body segments. It contains the powerful flight muscles and bears the legs and wings. The six legs are attached to the underside of the thorax. Each lepidopteran foot bears a pair of claws, used for clinging to perches, and hairlike structures responsible (along with the proboscis) for the sense of taste. If the front feet of a butterfly are touched with a small brush dipped in a very weak sugar solution, the butterfly will uncoil its proboscis and attempt to feed because the tasting hairs on its feet sense food.
The wings—two forewings and two hind wings—originate from the sides of the thorax. A lepidopteran’s wings are large in proportion to its body and very thin. The wings are made of two membranes with a network of stiff veins between the layers. The scales covering the wings give butterflies and moths their distinctive colors and patterns. Scales may contain pigments like those found in skin or fabric that give them their color. Ridges and furrows on the scales may also diffract light like a prism, producing metallic and iridescent hues called structural colors. The scales rub off easily when a lepidopteran’s wings are touched.
The third body part, the abdomen, is tubelike in shape and usually consists of ten segments. Inside the abdomen are the lepidopteran’s heart, respiratory and digestive systems, and reproductive organs. The heart, a muscular tube that runs the length of the abdomen, pumps blood toward the front of the body. Oxygen enters the body through six to seven pairs of breathing holes known as spiracles, located on the sides of the abdomen. The spiracles are connected to a network of tubules called tracheae, which deliver oxygen to the tissues. In females, the reproductive organs take up most of the abdomen. Their abdomens tend to be fuller and blunter than those of the males because of the large number of eggs inside.
The smallest butterflies are certain blues that have wingspans of a mere 0.7 cm (0.25 in). The largest are the female giant birdwings of Papua New Guinea, which measure up to 30 cm (12 in) across. Moths range in size from tiny Microlepidoptera, several groups of small moths with wings no more than 0.16 cm (0.06 in) across, to giant silk moths, such as the atlas moth, which may exceed 30 cm (12 in) in wingspan.
Microsoft ? Encarta ? 2006. ? 1993-2005 Microsoft Corporation. All rights reserved.
蝴蝶的眼睛是可以看到東西的。不過在他們眼中的世界和我們人類眼中的世界是完全兩樣的。首先他沒有色彩。具研究，蝴蝶的眼睛只能看到黑白兩色。
并且對光很敏感。在紫外線照射下，蝴蝶會對白、紅、紫（藍）和黃色的物體（比如花朵）很敏感。
還有一個很好的例子就是蝴蝶與蛾類一樣具有趨光性
蝴蝶有一對復眼，是由一萬五千多只小眼睛組成的。他們都呈六角形的楔狀，上面大，下面尖，每只小眼睛的側面都是互相緊密貼在一起的。

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3、為什么蝴蝶是復眼蝴蝶屬于鱗翅目，復眼利于其在空中生存捕食，是昆蟲的主要視覺器官，通常在昆蟲的頭部占有突出的位置。多數昆蟲的復眼呈圓形、卵圓形或腎形。
每個小眼都有角膜、晶椎、色素細胞、視網膜細胞、視桿等結構，是一個獨立的感光單位。軸突從視網膜細胞向后伸出，穿過基膜匯合成視神經。
一些節肢動物的復眼中含有色素細胞，光線強時色素細胞延伸，只有直射的光線可以射到視桿，為視神經所感受，斜射的光線被色素細胞吸收，不能被視神經感受。
：光線弱時，色素細胞收縮，這樣通過每個小眼射入的光線，除直射的光線到達視桿，光線還可通過折射進入其他小眼，使附近每個小眼內的視桿都可以感受相鄰幾個小眼折射的光線。
這樣在光線微弱時，物體也能成像。家蠅的復眼約由4000個小眼組成，蝶、蛾類的復眼約有28000個小眼。
小眼面的大?。壞誆煌值睦コ嬤脅煌? ，而且同一個復眼中不同部位的小眼面也可不同，如雄性牛虻，復眼背面的小眼面較大。
昆蟲的復眼由許多小眼組成，但它們的視力遠不如人類的好，蜻蜓可以看到1～2米，蒼蠅只能看到40～70毫米。最大優勢是對于移動物體的反應卻十分敏感，當一個物體突然出現時，蜜蜂只要0.01秒就能做出反應。捕食性昆蟲對移動物體反應能力更加迅速敏捷.昆蟲復眼也是眼，肯定起視覺作用，即成像能力一般昆蟲僅能辨別出近距離的物體，特別是運動著的物體。對昆蟲很重要，對其覓食，求偶，避敵，休眠，滯育，決定行為方向等都有重要作用。優勢很少：因為其復眼占的面積很大，所視覺范圍比人類的寬，甚至可達360度；另外其感光光譜比人類的寬一些，為253－700nm，可對一定波長的紅外光產生生物電位，引起視覺反應。
復眼是無脊椎動物中的甲殼類、昆蟲類和其他一些節肢動物頭的兩側各有1只能感受物體的形狀、大小和顏色的視覺器官。
每1只復眼是由少數（如蚊為50個）或多數（如天蛾27000多個）“小眼”組成的。每只小眼呈長管狀，表面為透明的六角形角膜，內連視覺細胞和神經，小眼周圍有色素細胞。復眼中的小眼越多，越能辨別物像、顏色和人眼所不能見到的短光波。
·盡洪可約評產洪派評三產只段孞汏沖為吊Q

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4、蝴蝶為什么有一只眼睛是假的呢有什么作用的蝴蝶只有一對復眼，你說的所謂假眼其實是位于蝴蝶后翅臀角的眼狀斑，這種特征在灰蝶科尤為明顯，而且眼狀斑的下方一般還有一對尾凸，它們與眼狀斑一起酷似蝴蝶的眼睛和觸角，可以構成絕妙的偽裝，其目的就是躲避天敵，很多取食蝴蝶的鳥類會誤認為后翅才是頭部從而進行攻擊，而這樣并不會威脅到蝴蝶的生命，因此你會發現很多灰蝶的后翅都有所破損，這就是它們成功騙過天敵的證據。
這里我借用網絡上的一張圖片
這張圖片是從一只灰蝶的正后方拍攝的，可以看到它后翅的眼斑和尾凸形狀與頭部極為近似。
這是一張被鳥類啄食生還的灰蝶圖片

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5、蝴蝶有眼睛嗎?你好！網上查找的！希望能幫到你！望采納！謝謝！蝴蝶沒有像人類一樣的眼皮，可以眨動，而且蝴蝶的眼睛結構很特別（稍后講到），所以蝴蝶不會眨眼。那么蝴蝶的眼睛是怎么樣的呢？蝴蝶的眼睛并不像人的眼睛一眼，一邊只有一只眼睛。其實蝴蝶的眼睛由許許多多的小眼睛構成的。這些小小的眼睛就像電視里屏幕的像素點一樣，不過，這些小小的眼睛比像素點小的多，以致我們用肉眼看不出來。蝴蝶的每一只小眼睛，我們習慣把它稱為單眼，許許多多的單眼組構成一起的大眼睛我們叫做復眼（也就是我們看到蝴蝶的眼睛）。蝴蝶的每一只單眼看的范圍很小，許許多多的單眼構成的復眼可以看到的范圍很大，可以看到眼前以中心為點，一百九十度為視角圓錐以上的東西，像雷達一樣時刻的監控著四面八方。每一只單眼呈六角形的楔狀，上面大，下面尖，就像玉米一樣，有順序的排列在一起，每一粒玉米都和玉米的桿子連接在一起，和蝴蝶單眼連接在一起的是神經。蝴蝶的每一只單眼中，都包括了眼角莫，眼角膜細胞，晶體和視桿。蝴蝶的眼角膜和人類的眼角膜一樣，像凸透鏡一樣，可以起到濾光、成像的作用，起到保護作用，避免了光線傷害到自己。蝴蝶的一個復眼包含著由一萬五千多只以上的單眼。是否看了這篇文章之后，還有其他問題要問呢？比如，蝴蝶的不眨眼睛怎么睡覺的，蝴蝶怎么看東西的。。。一個一個來，也可以在留言板向我提問。蝴蝶是怎么睡覺的？蝴蝶是變溫動物，它的活動受溫度的影響。一般情況下，太高的溫度和低溫它都不活動的，只有適和溫度才活躍，活動曲線像“幾”字形一樣。晚上或者溫度高的時候，蝴蝶會找比較密麻的樹下休息（這種地方濕度一般比較大）。由于受溫度和體內機能的影響，身體的各個細胞就處于休眠狀態，眼睛也一樣。蝴蝶睡覺了，所以這個時候蝴蝶是很容易被抓到的。蝴蝶可以看到東西嗎？可以的！不過蝴蝶高度近視，它的可見范圍只有一米，它對一米以內的移動的物體很敏感。根據科學證明，在昆蟲的世界了，蝴蝶是唯一能辨別簡單顏色的昆蟲，所以蝴蝶會選擇不同顏色的花進行采蜜。蝴蝶的眼睛可以感受到溫度，濕度的變化嗎？可以，但是不是很敏感，蝴蝶的溫度，濕度器官主要在觸角上！
蝴蝶的眼睛是可以看到東西的。不過在他們眼中的世界和我們人類眼中的世界是完全兩樣的。首先他沒有色彩。具研究，蝴蝶的眼睛只能看到黑白兩色。并且對光很敏感。在紫外線照射下，蝴蝶會對白、紅、紫（藍）和黃色的物體（比如花朵）很敏感。
還有一個很好的例子就是蝴蝶與蛾類一樣具有趨光性蝴蝶有一對復眼，是由一萬五千多只小眼睛組成的。他們都呈六角形的楔狀，上面大，下面尖，每只小眼睛的側面都是互相緊密貼在一起的。
有親愛滴，你現在試試，昨天平安深圳總部受臺風影響，所以網絡斷了，今天12:00剛修復。
【蝴蝶有復眼嗎,蝴蝶有復眼嗎】蝴蝶有復眼。