Height: 2–3. If thermoregulation is considered to be a secondary function of the large ears of jackrabbits, then the primary function of the ears is. This allows heat to escape into the air around the jackrabbit, cooling it off in the process. You hypothesize that smaller ears are a local adaptation to the higher elevation. This adaptation helps them live in hot desert environments. Tail is short, black on the upper side and white on the underside. andrewpallarca|Points 32148| Log in for more information. 3 Little-Known Facts About Antelope Jackrabbits. Jackrabbits can grow as high as two feet tall, or about half the height of an elementary school kid! There are five different. Rabbits and humans both have three main sections to our ears: the outer ear, the middle ear, and the inner ear. They usually have very larg ears, but you discover there is a population of jackrabbits on one of the mountain ranges that has smi ears. 5 Strange Facts about Squirrels. enhanced hearing c. dissipating heat Jackrabbits large ears are an adaptation for: D. Jackrabbits have evolved to have large ears to aid in thermoregulation and predator detection. This is the opposite of hibernation. storing water d. The large ears of this hare help it to lose heat and thereby cooling its body temperature. shrubs. a. Appearance. The side of the body (limbs, hips, rump) are white haired with black tips. |Points 66279| User: When the Barrel and Saguaro cacti absorb moisture they store it _____. a. hunting prey b. After visiting a nature center, students were asked to contrast their observations based on location. This allows heat to escape into the air around the jackrabbit, cooling it off in the process. dissipating heat. Jackrabbits are hares, distinct from rabbits because they are born with hair and do not live in burrows. andrewpallarca|Points 32148| Log in for more information. By increasing the diameter of its blood vessels, the jackrabbit effectively increases the surface area over which heat exchange can occur. Updated 10/14/2020 9:04:20 AM. The black-tailed jackrabbits (Lepus californicus) most identifying feature is its huge ears. hunting prey b. Great Spirit steps in to point out to each animal the survival value of his perceived shortcoming, then kindly supplies Jackrabbit with longer ears. a. Along with a black tail, it has white fur on its face and yellow eyes with round black pupils. This photo is of a Black-Tailed Jackrabbit – photographed in southern Texas. B) constrict the blood vessels in their large ears to reduce transfer of. enhanced hearing c. storing water d. With the use of this adaptation the jackrabbit. callotis) jackrabbits. C) increase movements to find a sunny area. a. In a race, the antelope jackrabbit would win, reaching speeds of 44 miles (72 kilometers) per hour. This allows heat to escape into the air around the jackrabbit, cooling it off in the process. This adaptation helps them live in hot desert environments. Such traits are called exaptations. a. 1) When the temperature of the outside air exceeds their internal body temperature, jackrabbits living in hot, arid lands will. a. E) begin involuntary shivering of their skeletal. enhanced hearing c. These ears play a crucial role in thermoregulation, primarily in heat dissipation. hunting prey b. You hypothesize that smaller ears are a local adaptation to the higher elevation environment, and you want to test whether Chapter 40. Question. For one, they help the rabbit stay cool in the summer heat. Larger females. The skin of those ears is thin and full of blood vessels… anitasandil639 anitasandil639The common jackrabbit ishigh-lyspecialized fordesert living. When the surrounding air temperature is slightly below the rabbit’s body. By increasing the diameter of its blood vessels, the jackrabbit effectively increases the surface area over which heat exchange can occur. a. You hypothesize that smaller ears are a local adaptation to the higher elevation environment, and you want to test whether small-eared jackrabbits have greater fitness at higher elevation than they. 1 week ago. The most remarkable of the jackrabbits' desert adaptations is the structure of their large ears. a. The large ears of this hare help it to lose heat and thereby cooling its body temperature. andrewpallarca|Points 32148| Log in for more information. They have a big appetite and can eat one pound of food in a day. 1 / 30. a. Reptiles, which are ectotherms, need heat toThe antelope jackrabbit is one of the largest hares in North America, weighing 9 to 10 pounds (4. Furthermore, they improve blood flow via the ears after a sprint and on hot days to remove heat. hunting prey b. a. Jackrabbits are constantly eating and consume large quantities of food. a. Jackrabbits large ears are an adaptation for dissipating heat. in their roots b. enhanced hearing c. 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. A jackrabbit has large ears with a high density of blood vessels to release body heat. Business, Economics, and Finance. Question. Other desert animals have different adaptations. The juvenile pelage is similar but paler in colour with more under fur and less developed course guard hairs (Kim, 1987). Question. Jackrabbit Adaptations. enhanced hearing c. Log in for more information. Measuring at one-third of their body length, jackrabbit ears serve to help regulate body temperature. 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. The perfect example is the elephant. Jackrabbits are herbivores able to thrive on some of the most defended and unappealing plants around them. The Jackrabbit Is thought to be Named for its Large Ears. Similarly, arctic foxes have shorter ears than do desert kit foxes. a. 1B) Jackrabbits Your Mission: Hiking in the Sonoran Desert, you often see jackrabbits. Although hares and rabbits look similar, with small tails, big ears, and oversized hind feet, hares are a little leaner and may also grow larger. 83 lb. Question. enhanced hearing c. A) dilate the blood vessels in their large ears. It is one of the largest North American hares. storing water d. Despite being common in many parts of the United States, very little is known about their behavior or life cycle. in their roots b. storing water d. B) to alter the rate of gas exchange, based on the adjustable radius of the ears' blood vessels. Jackrabbits large ears are an adaptation for _____. They will also eat sagebrush and cacti. storing water d. hunting prey b. Jackrabbits are. enhanced hearing c. Question. They’re easily identified by their distinctive large ears, peppered coat, and white underbelly. Named for their large, mule-like ears, Mule Deer ( Odocoileus hemionus) are indigenous to western North America and can be grouped into two subspecies of black-tailed deer. enhanced hearing c. They have large eyes that are localized to the side, high on their heads. Jackrabbits are not rabbits (despite their name). They have big ears. You hypothesize that smaller ears are a local adaptation to the higher elevation environment, and you want to test whether small-eared jackrabbits. Even when they live in groups, Kits hunt alone. The most remarkable of the jackrabbits’ desert adaptations is the structure of their large ears. extremely low humidity, less than 10 inches of. User: Jackrabbits ears are an adaptation for Weegy: Jackrabbits ears are an adaptation for desert adaptations is the structure of their large ears. You will notice that other prey animals, such as deer, often have large ears for the same purpose. dissipating heat. Kit foxes are prey for other carnivores such as coyotes (Canis latrans) and bobcats . Jackrabbits' large ears are an adaptation for _____. hunting prey b. The large ears of jackrabbits (see below; yes, they are real) were long hypothesized to be an adaptation to. When the temperature of the outside air exceeds their internal body temperature, jackrabbits living in hot, arid lands will. extremely low humidity, less. Adaptations. dissipating heat. B) constrict the blood vessels in their large ears to reduce transfer of external heat to the blood in their. Jackrabbits large ears are an adaptation for _____. They use these. 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 jackrabbits’ large strong hind legs help them outrun prey. The Antelope jackrabbit’s ears are not only used for hearing, but also to regulate and reduce body heat for survival during hot conditions. Rabbits’ ears are very sensitive. Their color and shape vary by species, but generally they are tan, grey, silver, brown, or black. Structural adaptation. These long ears are the jackrabbits' adaptation to their native desert habitat, which helps them to cool down the temperature of their body. C) increase movements to find a sunny area. Rabbit species typically have shorter ears and legs compared to jackrabbits. The skin of those ears is thin and full of blood vessels. Rabbit ears are long for a variety of reasons. Jackrabbits’ large ears are an adaptation for _____. enhanced hearing c. dissipating heat Weegy: Jackrabbits large ears are an adaptation for - dissipating heat. Length. 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. As you might expect, a rabbit’s long ears do a lot to improve their hearing. Thus, option D is correct. in underground root nodules Weegy: When the Barrel and Saguaro cacti absorb moisture they store it in the flesh of their barrelsWhat is the primary function of the extremely large ears on jackrabbits? Their ears are an adaptation to deal with heat in the desert. enhanced hearing c. B) increase motor movements to find a sunny area to maximize heat transfer into their bodies. storing water d. dissipating heat Weegy: Jackrabbits large ears are an adaptation for - dissipating heat. 6 kg) and live upwards of. MenuEars. The other two are the white-tailed jackrabbit and snowshoe hare. 0 Answers/Comments. dissipating heat. in their roots b. Large size and short appendages are adaptations that reduce heat loss and resist the cold. hot during the day and cold at. A) dilate the blood vessels in their large ears to transfer more body heat to the environment. Jackrabbits can regulate their body heat by increasing or decreasing the blood flow through their ears. The fur on their feet provides insulation from the heat on the sand. in. The skin of those ears is thin and full of blood vessels. These fields ofTheir ears and eyes work overtime to keep the rabbit alive. Jackrabbits’ large ears are an adaptation for _____. The black-tailed jackrabbit is one of three species of hare in Washington. Rabbit species typically have shorter ears and legs compared to jackrabbits. The sifaka has forward-facing eyes that produce. hunting prey b. 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. Discovering Their Natural Habitat. 2. Jackrabbits' large ears are an adaptation for _____. Mammal expert Steve Harris explains why rabbits have sung long ears. Elephants can radiate heat from their ears, which they hold out from their bodies; jackrabbits do the same thing with their long ears. Jackrabbits large ears are an adaptation for _____. storing water d. They are active foragers, feeding early in the morning and late at night, while finding rest in shallow depressions during the day. dissipating heat. B) constrict the blood vessels in their large ears to reduce transfer of external heat to the blood in their ears. Jackrabbits’ large ears are an adaptation for _____. What are jack rabbit’s desert adaptations? Ears. Feathers were probably first adaptations for tactile sense or regulating temperature. The ears also help dispel body heat to keep the fox cool. animals move around to find the resources they need (such as food, shelter, water or space) 3 examples of locomotion - above ground. none of the above and more. Large ears help cool an animal only if he needs it — that is, if the animal lives in a warm environment. Jackrabbits have extra long hind legs, which. Question. Jackrabbits large ears are an adaptation for _____. kg lbs. The Antelope Jackrabbit is rumored to have been named for its large ears. hunting prey b. crawling, hopping, walking. hunting prey b. 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. They have large eyes that are localized to the side, high on their heads. This works best when the air temperature is below the jackrabbit's normal body. User: Jackrabbits’ large ears are an adaptation for _____. storing water d. Question. enhanced hearing c. A) dilate the blood vessels in their large ears to transfer more body heat to the environment. hunting prey b. Black-tailed jackrabbits measure 47-63 cm from nose to rump, the tail is between 50-112 mm and the ears are 10-13 cm long. 18. Score 1. swinging, climbing, flying. enhanced hearing c. They usually have taller hind legs and longer ears. This animal is well recognized through its large ears that could present 15 to 19 % of the. a. How are jackrabbits adapted to life in the shrub-steppe? During hot summer days, jackrabbits sit in the shade with their ears flattened against their backs. Jackrabbit Size and Coloring. Behavior and Adaptations. The large ears of this hare help it to lose heat and thereby cooling its body temperature. ” So goes the dialogue in a popular children’s story. You hypothesize that smaller ears are a local adaptation to the higher elevation environment, and you want to test whether small-eared jackrabbits have greater fitness at higher elevation than they do at. C. Hibernating during winter is an example of a behavioural adaptation of this animal. B) constrict the blood vessels in their large ears to reduce transfer of. Because kit foxes move from den to den in search of a mate. This keeps the animal from overheating. мәзірі. andrewpallarca|Points 32148| Log in for more information. Often times the Jackrabbit is active at night. dissipating heat Weegy: Jackrabbits’ large ears are an adaptation for dissipating heat. Reaching a length around 2 ft (61 cm), and a. large raptors (Accipitridae) Ecosystem Roles. dissipating heat. a. 3 times the length of its head. Their ears are tinged with the same black as their. The black-tailed jackrabbits (Lepus californicus) most identifying feature is its huge ears. They have long ears, which are held erect when running or alarmed, enabling them to hear any potential predators. Those ears have delicate, blood vessel-filled skin. The ears were selectively heated using a 250W infrared heat lamp placed 30 cm from the ears. Its relatively long tail has a black stripe, and its long brown ears have black tips. Despite their name, jack rabbits are actually hares, not rabbits. behavioral adaptation. jackrabbit, genus Lepus) to illustrate differences in eye orientation. Evolutionary Advantage. Weegy: Jackrabbits' large ears are an adaptation for dissipating heat. D) bask in a sunny, exposed area. a. Jackrabbits are herbivores able to thrive on some of the most defended and unappealing plants around. 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. Leave a Comment / Uncategorized / By Annet Amukaga. hunting prey b. The adult jackrabbit is a relatively large animal by desert standards and often too large for some predators. An elephant's primary cooling system is a pair of conspicuous ears that account for one-sixth of the animal's body size. Asked 10/14/2020 1:49:38 AM. Log in for more information. When air temperature exceeds their body temperature, jackrabbits living in hot, arid lands will. Score 1. Certainly a useful. A jackrabbit is a hare, an animal similar to a rabbit, but not the same species. constrict the blood vessels in their large ears to reduce transfer of external heat to the blood in their ears. enhanced hearing c. dissipating heat Weegy: Jackrabbits large ears are an adaptation for - dissipating heat. Rock pocket mice live in deserts. Kit Fox and Human Interaction. According to locals that have seen them, they have ears that look like donkey’s ears. The correct answer is: b regulating body heat. storing water d. Jackrabbits large ears are an adaptation for _____. A jackrabbit is a hare, an animal similar to a rabbit, but not the same species. enhanced hearing c. They have large eyes that are high on their head and placed toward the side. hunting prey b. Yes, the large ears act as radiators to rid the body of heat. |Points 66279| User: When the Barrel and Saguaro cacti absorb moisture they store it _____. |Score 1|zpaasoyd|Points 105| Log in for more information. Eastern cottontails are found throughout much of Eastern and Central Texas, if not most of the state. . Estivation. 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. Elephants and jackrabbits co-evolved the same mechanism for cooling themselves down. 12. They have large eyes. 6 kg) and live upwards of. storing water d. However, ears do more than listen. Question. What is a behavioral adaptation of a jackrabbit? Adaptations. User: Jackrabbits’ large ears are an adaptation for _____. The group is also commonly referred to as lagomorphs. storing water d. andrewpallarca|Points 36228| User: Which of the following best describes daily temperatures in deserts?a. Basically, rabbits hear sounds in the same way that humans hear sounds. Jackrabbits have large ears as an adaptation for thermoregulation, communication, and predator detection. storing water d. Evolutionary adaptations that help diverse animals directly exchange matter between cells and the environment include. storing water d. Jackrabbits' large ears are an adaptation for _____ Dissipating heat. When these animals rest in the shade, their enormous ears dissipate the excess heat from their bodies. , and some species have ears up to seven inches long—about a third of their body size. They feed on insects, small invertebrates, small birds, mammals, and reptiles, and desert turtles go on the menu too sometimes. Its fur is buff-colored to blend in with the arid environment. storing water b. D. Their ears are a coping. Learn more about their unique traits below. hunting prey b. The more surface over which air can flow, the moreThe most remarkable of the jackrabbits’ desert adaptations is the structure of their large ears. Size is the most distinctive trait of Lepus alleni; it is a large Lepus species, with the head and ears being especially large. Like all species of jackrabbit, these animals' ears are especially long and. dissipating heat. will. Score 1. a. Jackrabbits’ large ears are an adaptation for _____. 61. Jack rabbits are a common sight in Arizona and the Southwest. However, rabbits have an interesting adaptation that helps them to stay cool: big ears. hunting prey b. hunting prey b. A) constrict the blood vessels in their large ears to reduce transfer of external heat to the blood in their ears. Jackrabbits also have longer hind legs and bigger ears than rabbits. enhanced hearing c. Expert answered|beatrice11|Points 0|Rabbits are well-known for their long, floppy or pointed ears, but there are some species of rabbit who are clear winners in the big ear game. hunting prey b. a. In the winter, they don’t hibernate, and mainly eat shrubs. dissipating heat. 5 kg), which is bigger than the desert cottontail rabbits also found at White Sands. Mule Deer. Reptiles, which are ectotherms, need heat to2 types of adaptations. enhanced hearing c. 3 examples of locomotion - on the ground. 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. For example, rabbits have fur that helps to keep them warm in cold weather, and their long ears allow them to hear predators approaching. Remember polar bears have very small ears. enhanced hearing c. It has distinctive, large, grey ears with black tips which are chestnut brown and white on the inside; and the long, powerful hind legs characteristic of hares. enhanced hearing c. Jackrabbits live in desert habitats with hot daytime temperatures. Rabbit ears help cool their body down as they have lots of blood vessels in them. hunting prey b. Rabbits also burrow and build their nests underground, whereas hares. Jack rabbits are an iconic animal of the North and Central American grasslands. in their spines c. 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. This works because large, thin ears maximize the amount of surface area over a relatively small body mass. Term. andrewpallarca|Points 36228| User: Which of the following best describes daily temperatures in deserts?a. Their ears also play an integral role in helping the rabbit to regulate their body temperature, preventing heat stroke and hypothermia. Expert answered|jerry06|Points 85414| Log in for more information. dissipating heat Jackrabbits large ears are an adaptation for: D. Question. Ears play an essential role in the communication, predation, and flight of many animals. Males always have horns, but in some. Question. enhanced hearing c. Black-Tailed Jackrabbit. Their large surface areas allow bunnies to release their heat and keep cool, that’s why bunnies that live in hot areas tend to have the largest ears. 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. 6 months 18 months 12 months 24 months . Updated 2/27/2014 11:16:21 AM. The iris of their. 6 to 4. hunting prey b. C) leaves that contain a chemical that is poisonous to animals. This allows heat to escape into the air around the jackrabbit, cooling it off in the process. The characteristic large ears are 4-7" long and are whitish inside and out except for the black tips. The bodies of hares tend to be leaner, and they have longers ears and legs as well. Jackrabbits are relatively large, but their size varies from species to species. Jackrabbits were named for their ears. The jackrabbit is actually not a rabbit, but a hare. Asked 10/26/2020 7:27:46 PM. Bat-eared fox has extremely pointed teeth that allow them to quickly and efficiently chew their meal to aid digestion. Jackrabbits large ears are an adaptation for - dissipating heat. Ears.