B) to alter the rate of gas exchange, based on the adjustable radius of the ears' blood vessels. a. how to find credit card security code on statement. Question. This chapter describes the specialized auditory system of kangaroo rats. The ears are long and brown with black tips. This. Even dogs can only hear up to 45,000Hz. The jackrabbit is a large species of rabbit, with an impressive body size and weight. The large ears of jackrabbits (see below; yes, they are real) were long hypothesized to be an adaptation to. User: Jackrabbits ears are an adaptation for Weegy: Jackrabbits ears are an adaptation for desert adaptations is the structure of their large ears. The African savanna species can reach heights of up to 13 feet at the shoulder, which makes for very large ears. Legs – The hind legs of rabbits are long and very strong. 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. dissipating heat Jackrabbits large ears are an adaptation for: D. Question. Its relatively long tail has a black stripe, and its long brown ears have black tips. Expert answered|jerry06|Points 85414| Log in for more information. Question. in the flesh of their barrels d. Hares are larger than rabbits, and they typically have taller hind legs and longer ears. Whitish in color, the ears are almost devoid of hair. What are the adaptive features of desert jackrabbit? The most remarkable of the jackrabbits' desert adaptations is the structure of their large ears. Explanation: Camels have humps on their backs as rooms to store fat. ” If the outside air temperature is below 86 degrees, the jackrabbit can shed all excess body heat through its ears. Reptiles, which are ectotherms, need heat toThe antelope jackrabbit is one of the largest hares in North America, weighing 9 to 10 pounds (4. locomotion. The Jackrabbit Is thought to be Named for its Large Ears. hunting prey b. dissipating heat. The ears along with the tail are tipped with black fur. This animal is well recognized through its large ears that could present 15 to 19 % of the. andrewpallarca|Points 36228| User: Which of the following best describes daily temperatures in deserts?a. Their hind legs are powerful too, giving the animal great. Because the ears of black-tailed jackrabbits have conspicuous coloration on the back side (e. Kit foxes are prey for other carnivores such as coyotes (Canis latrans) and bobcats . Furthermore, the blood vessels can widen (a process called vasodilation), allowing more warm blood to circulate to the ears for even greater heat loss. The bodies of hares tend to be leaner, and they have longers ears and legs as well. 1. In the winter, they don’t hibernate, and mainly eat shrubs. 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. They are an important part of the local ecosystem, and can be found in a variety of habitats throughout the area. Jackrabbits large ears are an adaptation for: D. . The Antelope Jackrabbit is rumored to have been named for its large ears. Log in for more information. These are used to move heat away from the body. Black-tailed jackrabbits are distinguished by black tails and ear-tips. When air temperature exceeds their body temperature, jackrabbits living in hot, arid lands. The fennec may be the world’s smallest fox, but it sports outlandishly large ears! In fact, relative to body size, it has the largest ears of any member of the canid family. They have large eyes. constrict the blood vessels in their large ears to reduce transfer of external heat to the blood in their ears. 3. Learn more about adaptations in black-tailed jackrabbits here:Jackrabbits’ large ears are an adaptation for _____. Expert answered|beatrice11|Points 0|This photo is of a Black-Tailed Jackrabbit – photographed in southern Texas. ALLEN’S RULE states: Animals…Because the ears of black-tailed jackrabbits have conspicuous coloration on the back side (e. The jackrabbit's large ears serve an important purpose in its survival. storing water d. Black-tailed jackrabbits (Lepus californicus Gray) flash their ears in alternating order while running in a zig-zag pattern (Kamler & Ballard, 2006 ). Their hind legs are powerful too, giving the animal great. enhanced hearing c. Which of the following strategies is most similar to a strike? union. For example, jackrabbits have large ears with an extensive network of blood vessels that allow rapid heat loss. Jackrabbits have a set of adaptations that suit them to arid and semiarid. Each ear is around 1. huobi withdrawal limit unverified Cerca. storing water d. These ears help the rabbits to release the heat from the body in order to keep the body cool during hot climates in the desert. мени. a. The black-tailed jackrabbit ( Lepus californicus) is found throughout the western United States in the desert, open plains, and foothills. Mule Deer are related to White Tailed Deer, a more widely distributed species native to North America, with key differences in range, ear shape, tail color, and. a. They have large eyes that are localized to the side, high on their heads. These ears play a crucial role in thermoregulation, primarily in heat dissipation. 1 week ago. Since their ears are full of blood vessels, the heat escapes through the ears, which cools. B) constrict the blood vessels in their large ears to reduce transfer of. 3 times the length of its head. A jackrabbit is a hare, an animal similar to a rabbit, but not the same species. in their spines c. The large ears of this hare help it to lose heat and thereby cooling its body temperature. 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. Jackrabbits have large ears as an adaptation for thermoregulation, communication, and predator detection. Being a hare, antelope jackrabbits have large ears and long hind legs. a. Jack rabbits are a common sight in Arizona and the Southwest. all of the above, During extreme dry periods tortoises will eliminate waste _______. storing water d. All of these factors make long ears an essential part of a rabbit’s anatomy. hot during the day and cold at night b. dissipating heat. Jackrabbits are. Score 1. The author intrudes at the end to say that ``if you try to sneak up on a jackrabbit, you'll find he has very good hearing indeed!'' Ages 5-up. Updated 10/14/2020 9:04:20 AM. (May) Publishers Weekly - Publisher's WeeklyBecause the ears have conspicuous coloration on the back side (white fur with black-tips), we speculate that ear flashing is an adaptation to confuse predators when being chased at high speeds. The European hare (Lepus europaeus), also known as the brown hare, is a species of hare native to Europe and parts of Asia. hunting prey b. So the characteristics are jack rabbit characteristics, Hard, large ears to regulate body temperature, large years to regulate body temperature. Estivation. The fur on their feet provides insulation from the heat on the sand. Jackrabbits large ears are an adaptation for _____. dissipating heat Weegy: Jackrabbits large ears are an adaptation for: D. The jackrabbit’s large ears, which are proportionally larger than those of other rabbits, play a crucial role in dissipating excess heat. (Two larger hares, the Arctic and Alaskan hares, are found further north in North America). One of the most distinctive characteristics of jackrabbits is their large ears. storing water d. Andrew. The large ears of this hare help it to lose heat and thereby cooling its body temperature. This keeps the animal from overheating. enhanced hearing c. For example, jackrabbits have large ears that are supplied with a large number of blood vessels that enables excess heat to be dissipated easily. a. 0 Answers/Comments. Which of the following statements about the Atacama is false?. Meet the experts. enhanced hearing c. Only certain breeds of domesticated rabbits have flop ears, deliberately bred by humans. According to National Geographic’s Education Blog, “the blood vessels can widen (a process called vasodilation), allowing more warm blood to circulate to the ears for even greater heat loss. Jackrabbits large ears are an adaptation for _____. Question. 9 inches (20 centimeters) long, are generally longer than the rabbit’s ears. This is uncommon in most hares, which are found with blackish ear tips. The large ears act as an air-conditioner. How does the Black-Tailed Jackrabbit survive in its habitat? Their large ears are lined with blood vessels. мәзірі. Most. These ears also provide excellent hearing. By merely flapping their ears, elephants can reduce their body temperature by 10 degrees Fahrenheit or more. a. Large body size and short appendages are adaptations that reduce heat loss and resist. Answer: It is the adaptation to the limiting factor temperature. Their large ears are very efficient radiators of heat. The size of the ears are an evolutionary adaptation. storing water d. B. A) dilate the blood vessels in their large ears. The jackrabbit’s pinnae (the visible part of an animal’s ears) are packed with small blood. Question. They usually have taller hind legs and longer ears. Log in for more information. Rabbit species typically have shorter ears and legs compared to jackrabbits. MY, WHAT big ears you have. Interesting Jackrabbit Facts: Jackrabbit can reach 2 feet in length and from 3 to 9 pounds of weight. cm inch. 7 million years ago, a volcanic eruption caused the mice's habitat to change. Fully grown, they can measure up to two feet in length and weigh as much as six pounds. storing water d. The dominant plant life in desert scrub regions is _____. in their spines c. Leave a Comment / Uncategorized / By Annet Amukaga. storing water d. 6. However, about 1. The black-tailed jackrabbits (Lepus californicus) most identifying feature is its huge ears. enhanced hearing c. enhanced hearing c. They have an extensive. storing water d. Rabbit species typically have shorter ears and legs compared to jackrabbits. Why are jack rabbits ears so big? The most striking feature of all jackrabbits are their long ears. hunting prey b. lessening the amount of blood that passes through the ears. nature. Length. Expert answered|beatrice11|Points 0|Answer:The most remarkable of the jackrabbits' desert adaptations is the structure of their large ears. Elephants can radiate heat from their ears, which they hold out from their bodies; jackrabbits do the same thing with their long ears. The highest priorities for any desert dweller are to survive the heat and lack of water. This adaptation is essential for evading predators like foxes and wolves, which have been known to include rabbits and hares in their diet. Its fur is buff-colored to blend in with the arid environment. g. dissipating heatJackrabbits' large ears are an adaptation for dissipating heat. It is easily distinguished from other species by two black stripes that run from the base of the ears to the nape, and by its white flanks. Elephant ears. storing water d. andrewpallarca|Points 32148| Log in for more information. The tail has a black stripe above. This hare is up to two feet long and can weigh three to eight pounds. The large thin ears have a network of Ьɩood vessels that control Ьɩood flow depending on the temperature. The most remarkable of the jackrabbits’ desert adaptations is the structure of their large ears. storing water d. Water Intake. MoreThis fox species has several different adaptations that help it survive. However, rabbits have an interesting adaptation that helps them to stay cool: big ears. arid desert b. With long ears and powerful hind legs, these small mammals are known for their agility and speed. as a white paste c. Tail is short, black on the upper side and white on the underside. Jackrabbits’ large ears are an adaptation for _____. S. in their roots b. B) constrict the blood vessels in their large ears to reduce transfer of. Aerdvark. long ears for heat dissipation to keep cool - this done via blood vessels in the ears which expand to allow the blood to cool; in the same way, it can. dissipating heat. andrewpallarca|Points 36228| User: Which of the following best describes daily temperatures in deserts?a. |Points 66279| User: When the Barrel and Saguaro cacti absorb moisture they store it _____. They are active foragers, feeding early in the morning and late at night, while finding rest in shallow depressions during the day. hunting prey b. 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. Thermoregulation: The large ears help dissipate heat by increasing the surface area exposed to the air, allowing jackrabbits to regulate their body temperature in hot environments. Its ears, measuring 1. The black-tailed jackrabbit is one of three species of hare in Washington. Rock pocket mice live in deserts. non-water wildlife = fox, deer, bobcat. Many aspects of a rabbit’s body have helped them to become an excellent survival species. a. hunting prey b. 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. Jackrabbits also have an adaptation for dealing with hot desert sands-fur-covered feet. dissipating heat Weegy: Jackrabbits large ears are an adaptation for - dissipating heat. 0 Answers/Comments. The Black-Tailed Jackrabbit is one such species, which can be found throughout the western United States and Mexico. Jackrabbits have evolved to have large ears to aid in thermoregulation and predator detection. Remember polar bears have very small ears. As you might expect, a rabbit’s long ears do a lot to improve their hearing. These speedy animals are capable of reaching 40 miles (64 kilometers) an hour. Key Takeaways: Jackrabbits have a varied diet of plants and grasses. Eastern cottontails are found throughout much of Eastern and Central Texas, if not most of the state. andrewpallarca|Points 36228| User: Which of the following best describes daily temperatures in deserts?a. Asked 10/1/2020 7:40:48 PM. For example, rabbits have fur that helps to keep them warm in cold weather, and their long ears allow them to hear predators approaching. 7. 1. andrewpallarca|Points 32148| Log in for more information. This is an examp,e of a ________ adaptation. Most. When temperatures start to rise, jackrabbits can regulate the flow of blood through their ears by dilating their blood vessels. MenuUser: Jackrabbits’ large ears are an adaptation for _____. , white fur with black tips; Seton, 1953; Best, 1996), we speculate that ear flashing is an adaptation to confuse predators when being chased at high speeds. Jackrabbits are actually hares, not rabbits. Score 1. Length. hunting prey b. Females are larger than the males. 83 lb. Because their ears have black tips with. , and some species have ears up to seven inches long—about a third of their body size. NPS / K Monroe. dissipating heat Weegy: Jackrabbits’ large ears are an adaptation for dissipating heat. These long structures are an adaption of jackrabbits to their natural desert habitat, allowing them to cool down their body temperature. Jackrabbits large ears are an adaptation for - dissipating heat. storing water d. User: Jackrabbits’ large ears are an adaptation for _____. e. By Dave Hanks 2/16/07. It is a known fact that light. Finally, long ears also help rabbits to balance while they are running. Log in for more information. Black-Tailed Jackrabbit. in. The most distinctive feature of a jackrabbit is its long, erect ears. hunting prey b. Diet: Carnivore. a. Also kit foxes are predators of rodents or other small animals, including black-tailed jackrabbits (Lepus californicus), kangaroo rats , and prairie dogs . They have long ears, which are held erect when running or alarmed, enabling them to hear any potential predators. Feet and Fur. hunting prey b. The large eyes are placed high and towards the back of its slightly flattened head, allowing it to see nearly 360 degrees as it watches for predators. Updated 201 days ago|3/28/2023 2:01:13 PM. The greater the surface area, the more heat loss to the environment. storing water d. Jackrabbits use their big ears to cool their body temperature in hot weather. dissipating heat Jackrabbits. a. a. The hare’s ears, which can reach up to 7. andrewpallarca|Points 32148| Log in for more information. They will also eat sagebrush and cacti. 3 Little-Known Facts About Antelope Jackrabbits. storing water d. S. Large size and short appendages are adaptations that reduce heat loss and resist the cold. hunting prey b. Jack rabbits are an iconic animal of the North and Central American grasslands. When the jackrabbit gets too hot, these blood vessels widen, which promotes heat loss. When the temperature of the outside air exceeds their internal body temperature, jackrabbits living in hot, arid lands will. Thus, option D is correct. 4 Image of jackrabbit in desert and zoomed-in close-up of rabbit's ear, showing network of blood. Solution 2. Dissipating heat. storing water d. The black-tailed jackrabbit is long-legged and lean, about 17-31 inches, and weighs 3-7 pounds. They are also a mechanism to dissipate heat in warm climates. 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. As they are true hares, black-tailed jackrabbits are lankier and leaner than rabbits, have longer ears and legs, and the leverets are born fully-furred and open-eyed. Dark colors absorb heat, while light colors. Jackrabbits are mainly nocturnal and may be seen in large numbers by the side of the road at dusk. Here in the desert near Tucson, rainfall averages only 12 inches (30 centimeters) a year. hunting prey b. enhanced hearing c. a. increase movements to find a sunny area. Jackrabbits have very thin and large ears which allows them to have an acute sense of hearing (defense), shed excess heat (blood flowing through each ear's network of. Jackrabbits inhabit desert environments where the days are quite warm. When temperatures start to rise, jackrabbits can regulate the flow of blood through their ears by dilating their blood vessels. The most remarkable of the jackrabbits’ desert adaptations is the structure of their large ears. These. Asked 10/1/2020 7:40:48 PM. Rabbit ears are long for a variety of reasons. When the rabbit retreats into the shade, warm. The kit fox, however, is the exception. Jackrabbits have. A black-tailed jackrabbit can grow up to 24 inches (61 cm) in length, weigh as much as 8 lbs. The large ears of a jackrabbit (hare) might be adorable, but they're also functional: a large network of blood vessels running through the ears allows a hare to regulate body temperature as needed. hunting prey b. "It has the longest ears relative to its body size in the entire animal kingdom," Holden told Live. like large rabbits with longer legs, ears, and faces. It is one of the largest North American hares. Jackrabbits’ large ears are an adaptation for _____. We describe a previously unreported behavior of black-tailed jackrabbits based on 22 nocturnal observations in northwestern Texas in 1999 and 2000. dissipating heat Jackrabbits’ large ears are an adaptation for dissipating heat. 8 miles away. a. B) constrict the blood vessels in their large ears. storing water d. , How do the ears of a jackrabbit help shed heat?, When is the size of the jackrabbits ears a liability? and more. D. They have big ears. The other two are the white-tailed jackrabbit and snowshoe hare. enhanced hearing c. These adaptations let the rabbit have a greater field of vision, which helps in spotting food as well as predators. E) begin involuntary shivering of their skeletal. The skin of those ears is thin and full of blood vessels. This jackrabbit s huge ears are edged in white. Moreantelope jackrabbit’s long ears, legs, and lanky appear-ance prompted Allen (1890), Dawson and Schmidt-Nielsen (1966), and Hinds (1977) to study the animal’s heat-dispersal abilities and adaptations to a hot, arid environment. |Score 1|zpaasoyd|Points 105| Log in for more information. The Black-Tailed Jackrabbit was previously (and more accurately) named a desert hare, but American settlers thought their ears made them look like donkeys, hence the “jack” in their new name. Asked 6/16/2021 8:36:22 PM. in their roots b. This position is called extended suspension and is one of the airborne phases of the rabbit's gait, normally a bound. dissipating heat Jackrabbits large ears are an adaptation for: D. Where: Africa. 3,. Explain what information you would have to have in order to evaluate this hypothesis, and what information would convince you that the hypothesis was correct. Diane has taught all subjects at the elementary level, was the principal of a K-8 private school and has a master's degree in Measurement and Evaluation. hunting prey b. Hares are also precocial, meaning they are. Their ears are an adaptation to deal with heat in the desert. cool during the day and very cold at night d. Question. Иттер. swinging, climbing, flying. 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). The size of the ears are an evolutionary adaptation. The iris of their. Adaptations. enhanced hearing c. The blood vessels in the jackrabbit's ears expand to enable the blood to cool before rendering the body. B) constrict the blood vessels in their large ears. Structural adaptation. They’ll use this to quickly move around their head to scan the environment. Answer. Jackrabbits have large ears that keep them cool by spreading out their body heat. B) constrict the blood vessels in their large ears to reduce transfer of external heat to the blood in their. The white-tailed jackrabbit is 18-22 inches long and. Adaptations. as a watery urine b. |Score 1|zpaasoyd|Points 105| Log in for more information. hunting prey b. The large ears of this hare help it to lose heat and thereby cool its body temperature. in. But that is enough for hundreds of species to flourish, all adapted to scarce water. Along with a black tail, it has white fur on its face and yellow eyes with round black pupils. hunting prey b. In addition, the large ears allow them to hear predators providing them with extra time to flee or freeze. 12. What are jackrabbits adaptations? Jackrabbits have a set of adaptations that suit them to arid and semiarid environments: a spartan diet with little water, camouflage, eyes on the sides of their heads, furry feet, agile flight and enormous ears. Question.