hunting prey b. Those ears have delicate, blood vessel-filled skin. A jackrabbit’s entire fur is also adapted for use in the desert. The jackrabbits’ large strong hind legs help them outrun prey. Jackrabbits also have an adaptation for dealing with hot desert sands-fur-covered feet. Remember polar bears have very small ears. The jackrabbit’s pinnae (the visible part of an animal’s ears) are packed with small blood. Elephants are huge animals, weighing between 5,000 to 13,000 pounds, so it takes a lot to keep them cool, which is where their big ears come into play. The black-tailed jackrabbit ( Lepus californicus) is found throughout the western United States in the desert, open plains, and foothills. Rabbit ears help cool their body down as they have lots of blood vessels in them. Andrew. Question. a. Asked 2/27/2014 10:41:13 AM. These adaptations let the rabbit have a greater field of vision, which helps in spotting food as well as predators. The Antelope Jackrabbit is rumored to have been named for its large ears. storing water d. See related link for the Wikipedia entry. In contrast to jackrabbits, their ears are quite small. Asked 2/1/2019 7:52:32 PM. hunting prey b. Dark colors absorb heat, while light colors. They also have strong legs that are made for running. Females and males look identical but females tend to be a little larger. Interesting Jackrabbit Facts: Jackrabbit can reach 2 feet in length and from 3 to 9 pounds of weight. The genus includes the largest lagomorphs. These animals can run very quickly to escape. You will notice that other prey animals, such as deer, often have large ears for the same purpose. Like plants, animals also need to have adaptations to survive the heat and lack of. 3 Little-Known Facts About Antelope Jackrabbits. 0 Answers/Comments. B) constrict the blood vessels in their large ears. Jackrabbits are constantly eating and consume large quantities of food relative to their size. The antelope jackrabbit has a white belly, light grey sides, a back peppered with black, and orange coloration on the neck and chest. enhanced hearing c. in the flesh of their barrels d. Question. These long ears are the jackrabbits' adaptation to their native desert habitat, which helps them to cool down the temperature of their body. arid desert b. The juvenile pelage is similar but paler in colour with more under fur and less developed course guard hairs (Kim, 1987). kg lbs. The long legs enable the jackrabbit to outrun predators, a key survival trait in an environment with limited hiding locations. enhanced hearing c. a. a. Question. Only certain breeds of domesticated rabbits have flop ears, deliberately bred by humans. enhanced hearing c. The most remarkable of the jackrabbits’ desert adaptations is the structure of their large ears. A) leaves that are covered with tiny, sharp spines. Andrew. The European hare (Lepus europaeus), also known as the brown hare, is a species of hare native to Europe and parts of Asia. When temperatures start to rise, jackrabbits can regulate the flow of blood through their ears by dilating their blood vessels. More. a. Yes, the large ears act as radiators to rid the body of heat. how to find credit card security code on statement. However, about 1. Jackrabbits’ large ears are an adaptation for _____. enhanced hearing c. Also kit foxes are predators of rodents or other small animals, including black-tailed jackrabbits (Lepus californicus), kangaroo rats , and prairie dogs . dissipating heat. |Score 1|zpaasoyd|Points 105| Log in for more information. Adaptations. B) constrict the blood vessels in their large ears to reduce transfer of. storing water d. The desert cottontail ( Sylvilagus audubonii) is the common rabbit of Big Bend. Behavioral Adaptations. These ears also provide excellent hearing. Global temperatures continue to rise, it is possible that the adaptations of black-tailed jackrabbits may no longer be sufficient to cope with the increasing heat. enhanced hearing c. They help regulate its body temperature, detect predators, and locate food and mates. Hares are also precocial, meaning they are. Meerkat A mob of meerkats in the Kalahari Desert. They usually have taller hind legs and longer ears. By increasing the diameter of its blood vessels, the jackrabbit effectively increases the surface area over which heat exchange can occur. Fifteen jackrabbits eat as much food as a large grazing cow in one day. Each ear can move independently to detect sounds. Jackrabbits large ears are an adaptation for dissipating heat. The Jack Rabbit has a special biological adaptation that enables it to keep cool by adjusting its core body temperature by releasing heat from its oversized ears. As prey animals, they have ways of. 2. Study with Quizlet and memorize flashcards containing terms like Describe the appearance of a jackrabbit's ears and why this is necessary. Description. Weegy: Jackrabbits' large ears are an adaptation for dissipating heat. They have large, open eyes on their heads that are positioned in a slanted position. These quick, agile creatures are known for their long ears, strong hind legs, and fast running speeds. The group is also commonly referred to as lagomorphs. Rabbits have excellent hearing. They have an extensive network of blood vessels close to the skin’s surface, allowing for efficient heat exchange. We would like to show you a description here but the site won’t allow us. This keeps the animal from overheating. Chapter 40. Jackrabbits large ears are an adaptation for - dissipating heat. The large ears of jackrabbits (see below; yes, they are real) were long hypothesized to be an adaptation to detecting predators at long. These fields ofTheir ears and eyes work overtime to keep the rabbit alive. hunting prey b. dissipating heat Weegy: Jackrabbits large ears are an adaptation for - dissipating heat. hunting prey b. Jackrabbits are constantly eating and consume large quantities of food. The Black-tailed jackrabbit does not migrate or hibernate during winter and uses the same habitat year-round. storing water d. When the surrounding air temperature is slightly below the rabbit’s body. 6 months 18 months 12 months 24 months . dissipating heat Jackrabbits’ large ears are an adaptation for dissipating heat. Because the ears of black-tailed jackrabbits have conspicuous coloration on the back side (e. The bodies of hares tend to be leaner, and they have longers ears and legs as well. Hares are also larger than rabbits and have longer ears with black tips. Their ears are an adaptation to deal with heat in the desert. We describe a previously unreported behavior of black-tailed jackrabbits based on 22 nocturnal observations in northwestern Texas in 1999 and 2000. Debra Laino, PhD, is a sex and relationship therapist. hunting prey b. Jackrabbits large ears are an adaptation for _____. Jackrabbits have evolved to have large ears to aid in thermoregulation and predator detection. The ears also help dispel body heat to keep the fox cool. The black-tailed jackrabbit is an herbivore. Creature Feature Creature Feature: Who Has an Ear for Cool Technology? Our Creature Feature series is a result of collaborations between education and citizen. While rabbits build nests, hares do not, and their young are born well. Their large ears are very efficient radiators of heat. The large ears of this hare help it to lose heat and thereby cool its body temperature. The presence of long ears is the most astonishing characteristic of jackrabbits. The design of their big ears is one of the jackrabbits' most amazing desert adaptations. The black-tailed jackrabbit is long-legged and lean, about 17-31 inches, and weighs 3-7 pounds. The black-tailed jackrabbit ( Lepus californicus ), also known as the American desert hare, is a common hare of the western United States and Mexico, where it is found at elevations from sea level up to 10,000 ft (3,000 m). A sheet of aluminum foil was placed in front of the thorax and around the face of the rabbit to shield the rest of the animal. You hypothesize that smaller ears are a local adaptation to the higher elevation environment, and you want to test whether Chapter 40. Their hind legs are powerful too, giving the animal great. Jackrabbits' large ears are an adaptation for _____. Hard-learned, clever adaptations enable desert animals to thrive in this unlikely place. Jackrabbits large ears are an adaptation for dissipating heat. The jackrabbit is a species of hare native to the North American continent. The length of a desert cottontail is thirteen to seventeen inches; ears average three to four inches long; and the average weight is two to three pounds. Explanation: The presence of long ears is the most astonishing characteristic of jackrabbits. Updated 2 days ago|10/17/2023 3:17:26 PM. Jackrabbits’ large ears are an adaptation for _____. Question. enhanced hearing c. If thermoregulation is considered to be a secondary function of the large ears of jackrabbits, then the primary function of the ears is. enhanced hearing c. andrewpallarca|Points 32148| Log in for more information. B) an external respiratory surface, a small body size, and a two-cell-layered body. enhanced hearing c. A significant amount of blood flows through the many blood vessels of a jackrabbit's ears, which helps dissipate heat, an important adaptation in the desert. Despite not being mentioned in the given text, Aardvarks are interesting animals with big ears and unique. hunting prey b. You hypothesize that smaller ears are a local adaptation to the higher elevation environment, and you want to test whether small-eared jackrabbits. Their ears are an adaptation to deal with heat in the desert. Jackrabbits large ears are an adaptation for _____. physical adaptation. 5 kg). enhanced hearing c. Even when they live in groups, Kits hunt alone. "It has the longest ears relative to its body size in the entire animal kingdom," Holden told Live. Asked 10/14/2020 1:49:38 AM. Protective adaptations but rather adaptations for dry climates. The jackrabbit’s large ears provide an expansive surface area of exposed skin loaded with blood vessels. 2) If thermoregulation is considered to be a secondary function of the large ears of jackrabbits, then the primary function of the ears is A) to optimize nutrient intake through the thin, permeable surfaces on the ears. 1. Log in for more information. Lagomorphs are not as diverse as. The back, flanks, and limbs are dark brown or greyish-brown and the underparts are pale grey. storing water d. When the surrounding air temperature is slightly below body temperature, as when it retreats from hot desert sun into shade, the blood vessels in the outer part of its ears widen in a process called vasodilation. Jackrabbits. They have long legs, a slender neck, and large ears. Here are some possible changes that could occur:Reduced range: As temperatures rise, the habitat suitable for the black-tailed jackrabbit may shift. Study with Quizlet and memorize flashcards containing terms like When the temperature of the outside air exceeds their internal body temperature, jackrabbits living in hot, arid lands will A) dilate the blood vessels in their large ears to transfer more body heat to the environment. The black-tailed jackrabbit is an herbivore. only in the morning, Organisms that live in. in. dissipating heat Jackrabbits. Jackrabbits also have an adaptation for dealing with hot desert sands-fur-covered feet. Rabbits and humans have the same basic ear anatomy or structures. B) constrict the blood vessels in their large ears to reduce transfer of. They are an important part of the local ecosystem, and can be found in a variety of habitats throughout the area. Jackrabbits have a unique digestion process aided by their appendix, which acts as a pre-digesting chamber. dissipating heat Jackrabbits large ears are an adaptation for: D. storing wat Get the answers you need, now!This is the first report of ear flashing behaviour among Lepus species in Africa. hunting prey b. This photo is of a Black-Tailed Jackrabbit – photographed in southern Texas. They both have wide and thin ears with a lot of surface area. jackrabbit, genus Lepus) to illustrate differences in eye orientation. Leave a Comment / Uncategorized / By Annet Amukaga. Length. crawling, hopping, walking. Asked 2/27/2014 10:41:13 AM. They nest in slight depressions called forms, and their young are able to fend for themselves shortly after birth. This is why certain animals that live in particularly hot environments have bigger ears than their counterparts in cooler environments. Depending on the temperature, a network of blood arteries in the big, thin ears regulates blood flow. Adaptations. $11 111 Jackrabbits' large ears are an adaptation for a. Term. These physical attributes help rabbits to spot predators in the wilderness and therefore adapt to their environment. Whitish in color, the ears are almost devoid of hair. storing water d. Jackrabbits' large ears are an adaptation for _____. Jackrabbits' large ears are an adaptation for dissipating heat. There is a light colored ring around the eye. Question. Chapter 40. Study with Quizlet and memorize flashcards containing terms like When the temperature of the outside air exceeds their internal body temperature, jackrabbits living in hot, arid lands will A) dilate the blood vessels in their large ears to transfer more body heat to the environment. Rabbits also burrow and build their nests underground, whereas hares. dissipating heatJackrabbits' large ears are an adaptation for dissipating heat. Andrew. Log in for more information. There are a few other features that help. The long ears of a jackrabbit can transfer excess heat to the air through dilation of the blood vessels to the ear. Study with Quizlet and memorize flashcards containing terms like When the temperature of the outside air exceeds their internal body temperature, jackrabbits living in hot, arid lands will A) dilate the blood vessels in their large ears to transfer more body heat to the environment. hot during the day and cold at. Similarly, arctic foxes have shorter ears than do desert kit foxes. It is an adaptation to look for predators as most are bigger in size, and many attack from above. enhanced hearing c. The characteristic large ears are 4-7" long and are whitish inside and out except for the black tips. The adaptation described on the card is more important than the animal exhib-iting the adaptation (e. a. Interestingly, this escape behavior is similar to the white rump and side flashing of antelope ( Lepus alleni) and white-sided ( L. Jackrabbits large ears are an adaptation for dissipating heat. Rabbits and humans both have three main sections to our ears: the outer ear, the middle ear, and the inner ear. Communication: Jackrabbits use their ears to communicate. Abstract. If thermoregulation is considered to be a secondary function of the large ears of jackrabbits, then the primary function of the ears is. Expert answered|beatrice11|Points 0|This photo is of a Black-Tailed Jackrabbit – photographed in southern Texas. 1) When the temperature of the outside air exceeds their internal body temperature, jackrabbits living in hot, arid lands will. dissipating heat. Jackrabbits’ large ears are an adaptation for _____. C) increase movements to find a sunny area. Adaptations of the jackrabbit include. Jackrabbits’ large ears are an adaptation for _____. Despite being common in many parts of the United States, very little is known about their behavior or life cycle. Jackrabbits are relatively large, but their size varies from species to species. a. What separates hares from rabbits are factors such as the body, ears, legs, and their young. The black-tailed jackrabbit is long-legged and lean, about 17-31 inches, and weighs 3-7 pounds. Their ears are tall (on average 162mm long) and mostly devoid of hair except for fringes of white hair along the edges and on the tips. The fur of this animal features a combination of colors, namely gray and brown. Question. The Black-tailed Jackrabbit is a large, long-eared rabbit of the open grasslands and desert scrub of the West. The most distinctive feature of a jackrabbit is its long, erect ears. Rabbits are very alert so they. Which of the following statements about the Atacama is false?. Question. They have an extensive. Jackrabbits are not rabbits (despite their name). The black-tailed jackrabbit, the only jack rabbit occurring in Oklahoma, is not really a rabbit but a hare. Answer and Explanation: The jackrabbit of the desert is known for its very large ears, an adaptation that significantly helps its need to cool off in very high desert temperatures. It is an important prey species for raptors. If thermoregulation is considered to be a secondary function of the large ears of jackrabbits, then the primary function of the ears is. Aerdvark. Even dogs can only hear up to 45,000Hz. мәзірі. Does a jackrabbit survive in the desert? The jackrabbit’s large ears aid in the loss of heat and the cooling of its body temperature. Study with Quizlet and memorize flashcards containing terms like When the temperature of the outside air exceeds their internal body temperature, jackrabbits living in hot, arid lands will A) dilate the blood vessels in their large ears to transfer more body heat to the environment. storing water d. Evolutionary adaptations that help diverse animals directly exchange matter between cells and the environment include. hunting prey b. Jackrabbits are often seen as pests because they can destroy crops quickly. Feet and Fur. Shrubs. This is why certain animals that live in particularly hot environments have bigger ears than their counterparts in cooler environments. Black-Tailed Jackrabbit. Here in the desert near Tucson, rainfall averages only 12 inches (30 centimeters) a year. These speedy animals are capable of reaching 40 miles (64 kilometers) an hour. Score 1. hunting prey b. All of these factors make long ears an essential part of a rabbit’s anatomy. In a way, jackrabbits are using their ears as temperature sinks. Jack rabbits are a common sight in Arizona and the Southwest. 5 to 2 inches (3. Jackrabbits large ears are an adaptation for - dissipating heat. Study with Quizlet and memorize flashcards containing terms like 1) When the temperature of the outside air exceeds their internal body temperature, jackrabbits living in hot, arid lands will A) dilate the blood vessels in their large ears to transfer more body heat to the environment. enhanced hearing c. The disproportionately large ears of the jackrabbit have very thin skin and many blood vessels. However, the smaller rabbits, that is, baby jackrabbits, often provide a large portion of the diet for these smaller predators such as snakes and the Kit Fox. In general, hares have longer ears and longer hind feet than rabbits. a. Jackrabbit Populations. Elephant ears. The name jackrabbit was derived from the initial appellation “jackass rabbits,” referring to their enormous ears. 86-6. Question. Click the card to flip 👆. storing water d. Caracal ears are equipped with an astounding 20 muscles each, which gives the animal a great level of control over its ear movements. S. One of the most noticeable features of jackrabbits is their large ears, which can be up to two feet long in some species. Large body size and short appendages are adaptations that reduce heat loss and resist. It is among the largest hare species and is adapted to temperate, open country. Asked 10/26/2020 7:27:46 PM. What separates hares from rabbits are factors such as the body, ears, legs, and their young. This allows heat to escape into the air around the jackrabbit, cooling it off in the process. Jackrabbits can control the amount of blood that flows through their ears by widening their blood vessels in response. The size of the ears are an evolutionary adaptation. in their spines c. Biology. in their roots b. The jackrabbit is a large species of rabbit, with an impressive body size and weight. Ways animals adapt in forest and woodland habitats:Chapter 40. Because their ears have black tips with. enhanced hearing c. Question. They are active foragers, feeding early in the morning and late at night, while finding rest in shallow depressions during the day. In addition, the large ears allow them to hear predators providing them with extra time to flee or freeze. The large ears of this hare help it to lose heat and thereby cooling its body temperature. Key Takeaways: Jackrabbits have a varied diet of plants and grasses. Adaptations. Diet: Carnivore. Adaptations help desert animals to acquire and retain water, and to regulate body temperatures, which helps them to survive in the harsh conditions of the desert. One of the characteristic features of antelopes are their horns, which have a bone core covered in keratin (the same substance which makes our hair and fingernails). The size of the ears are an evolutionary adaptation. The most remarkable of the jackrabbits' desert adaptations is the structure of their large ears. storing water d. swinging, climbing, flying. Well, in the desert you don't want to conserve heat. In fact, no other reason has been given for the conspicuous ear coloration in this species. e. It has long slender front legs and large hind feet that can be 5 inches in length. When temperatures start to rise, jackrabbits can regulate the flow of blood through their ears by dilating their. a. The large ears of this hare help it to lose heat and thereby cooling its body temperature. 5-24. Ears. And if you have very large ears with large blood vessels, there are certain organisms, such as a jackrabbit, that use those like a radiator to keep their bodies cool. It has long slender front legs and large hind feet that can be 5 inches in length. D) bask in a sunny, exposed area. Asked 2/27/2014 10:41:13 AM. Because kit foxes move from den to den in search of a mate. Answer: It is the adaptation to the limiting factor temperature. Estivation. 5 inches tall – nearly as long as their body length! Their ears are constantly moving to pinpoint the location of prey. alleniOne often unknown fact about rabbit ears, particularly for the rabbits that live in hot desert regions, is that the ears become "air conditioners" for the animal. dilate the blood vessels in their large ears. When being followed at high speeds (40–55 km/h), jackrabbits exhibited four head positions: head up and both ears raised; head up and left ear raised; head up and right ear raised and; head down. Andrew Smith, emeritus professor in. Learn more about their unique traits below. The black-tailed jackrabbit ( Lepus californicus ), also known as the American desert hare, is a common hare of the western United States and Mexico, where it is found at elevations from sea level up to 10,000 ft (3,000 m). Jackrabbits, known for their speed and agility, can reach impressive velocities of up to 64. hunting prey b. areas. Jackrabbits large ears are an adaptation for _____. But that is enough for hundreds of species to flourish, all adapted to scarce water. User: Jackrabbits’ large ears are an adaptation for _____. storing water d. 4-3. Large mammals do not burrow to escape the desert heat. Jackrabbits large ears are an adaptation for - dissipating heat. The Antelope jackrabbit’s ears are not only used for hearing, but also to regulate and reduce body heat for survival during hot conditions. C) increase movements to find a sunny area. Rabbit species typically have shorter ears and legs compared to jackrabbits. Rabbits’ ears are very sensitive. as a watery urine b. Question. 1) When air temperature exceeds their body temperature, jackrabbits living in hot, arid lands. 5 ft. Their total length is between 18 and 26 inches. dissipating heat. The black-tailed jackrabbits’ big ears are a remarkable adaptation that contributes to their survival in their arid desert habitats, enhancing their hearing, thermoregulation, and predator avoidance capabilities. “Many desert animals have large ears, and the jack rabbit is no exception. The sifaka has forward-facing eyes that produce. User: Jackrabbits’ large ears are an adaptation for _____. hunting prey b. enhanced hearing c. prairie dogs, rats, mice, jackrabbits, birds, snakes, lizards, and insects. D. White-tailed jackrabbits have a number of other distinct morphological characters which reflect adaptation to their environment and ecology. regulating body heat c. 6. The black-tailed jackrabbits (Lepus californicus) most identifying feature is its huge ears. The skin of those ears is thin and full of blood vessels… anitasandil639 anitasandil639The common jackrabbit ishigh-lyspecialized fordesert living. They usually have very large ears, but you discover there is a population of jackrabbits on one of the mountain ranges that has small ears. Log in for more information. dissipating heat. enhanced hearing c. Fennec foxes have thick fur on the bottoms of their feet so they can walk on the hot desert ground. enhanced hearing c. They have very large ears, which help them to stay cool, and strong hind legs that help them escape predators. When air temperature exceeds their body temperature, jackrabbits living in hot, arid lands. dissipating heat Weegy: Jackrabbits large ears are an adaptation for - dissipating heat. An elephant’s large ears, which have a very high surface area, function like built-in air conditioners. It has a buff gray body above, white below, and a black stripe down the center of its back. hunting prey b. Whitish in color, the ears are almost devoid of hair. |Score 1|zpaasoyd|Points 105| Log in for more information. Mammal expert Steve Harris explains why rabbits have sung long ears. storing water d. In addition, jackrabbits are active primarily during the cool hours of late evening, night, and early morning. Mule Deer. When air temperature exceeds their body temperature, jackrabbits living in hot, arid lands will. The jackrabbit of the desert is known for its very large ears, an adaptation that significantly helps its need to cool off in very high desert temperatures. The hare's huge ears aid in heat loss, which lowers its body temperature. Jackrabbits’ large ears are an adaptation for _____. These adaptations let the rabbit have a greater field of vision, which helps in spotting food as well as predators. dissipating heat Weegy: Jackrabbits’ large ears are an adaptation for dissipating heat. 7. Jackrabbits’ large ears are an adaptation for _____. What is the habitat of a jack rabbit? Habitat: Blacktailed jackrabbits are common in nevada’s.