Where is osmolarity highest in the kidney?

The kidney is divided into two parts: the outer cortex and the inner medulla. In the cortex, the osmolarity is relatively low (think less salty), around 300 mOsm/L or so, but as you travel further down into the medulla, the osmolarity gets much higher (think more salty).

Which two conditions did the kangaroo lay down for the joy ride?

Explanation: The Kangaroo agreed to take the Duck on world tour on his back, but he was afraid that his friend’s cold, wet-feet would make him sick. The Duck promised to sit still and silent on the Kangroo’s tail.

Why did the duck want to take a ride on the kangaroo’s back what did the duck promise the kangaroo how did the kangaroo respond to the duck’s request?

The Duck requested the Kangaroo to let her ride on his back. She promised to behave quite decently during the ride. She would sit silently without making a noise. She would say nothing but ‘Quack’.

Why do rats stare at me?

Curious Rat Sniffing the air, standing on the hind legs or staring, or any combination of these behaviors, indicate that a rat has noticed something of interest. Some rats, especially the more nervous individuals, may slowly move their heads from side to side while staring.

Why does a desert rat have longer tubules?

Longer the Henle’s loop, more amount of solute will be reabsorbed and hence more amount of water could be removed from filtrate.

Why is the desert rat kangaroo extinct?

Predation by the red fox and feral cats, as well as variable seasonal patterns and overhunting by indigenous Australians, were blamed for the extinction of this species. … The desert rat-kangaroo was declared extinct in 1994, making it the only mammal species to be rediscovered and then lost again.

Where do kangaroo rats live map?

Kangaroo rat tend to live in the desert flatlands, creosote flats, and the sandy soils of the desert washes. The rats burrow into the soil to better survive the sometimes harsh desert environment.

Are kangaroo rats active at night?

Nocturnal. As nocturnal animals, kangaroo rats are active at night. This is when they search for food, such as grass seeds and insects. They also spend much of the night transporting seeds back to their homes for storage.

Are kangaroo rats nocturnal?

Kangaroo rats (Dipodomys) are nocturnal, semifossorial rodents that use each of these strategies to reduce exposure during nocturnal illumination (Daly et al.

Do kangaroo rats live in america?

Kangaroo rats, small mostly nocturnal rodents of genus Dipodomys, are native to arid areas of western North America. The common name derives from their bipedal form.

Do kangaroo rats sleep during the day?

Burrows. Kangaroo rats make their homes in burrows, and that is where they spend the day sleeping. The burrows are usually located at the base of small bushes. … Some kangaroo rats live in communal burrows, while others have their own burrows.

How far do kangaroo rats travel?

Kangaroo rats do not have large home ranges; their radius of activity is commonly 200 to 300 feet (60 to 90 m), rarely exceeding 600 feet (183 m). They may move nearly a mile (1.6 km) to establish a new home range.

How many kangaroos exist in australia?

State Red (Macropus rufus) Eastern Grey (Macropus giganteus)
Western Australia 638,185
New South Wales 3,972,522 5,258,104
Queensland 5,745,591 10,799,679
Total 11,514,298 16,057,783

How many musky rat kangaroos live in the daintree rainforest?

The fossils show there were many species of the musky rat-kangaroo, described as the world’s smallest kangaroo, about 20 million years ago. Today, there is only one.

What do musky rat kangaroos eat daintree rainforest?

Musky rat-kangaroos are frugivores and consumed the fruits of 40 species of plant on a 9-ha rainforest site in Wooroonooran National Park, Queensland. They ate primarily the flesh of fruits, but 11% of seeds from approximately half the species of fruit consumed were also eaten.

What eats the musky rat-kangaroo?

The musky rat-kangaroos have no significant predators (Because predators such as dingoes, feral foxes, and cats do not like living in tropical rain forests). The musky rat-kangaroos are not endangered.

What is a kangaroo habitat?

Habitat and Distribution Kangaroos live in Australia, Tasmania, and surrounding islands in a variety of habitats such as forests, woodlands, plains, and savannas.

What is the biggest rat in the world?

Gambian pouched rat
Order: Rodentia
Family: Nesomyidae
Genus: Cricetomys
Species: C. gambianus

What is the difference between a jerboa and a kangaroo mouse?

Jerboas and kangaroo rats are both desert rodents with powerful hind legs that allow them to jump great distances. One difference is that the jerboa is found in Africa, Asia, and the Middle East. Some species have long ears that make it truly resemble a miniature kangaroo. Where do kangaroo rats live?

What is the most common mouse in colorado?

Colorado is home to numerous species of mice and rats, and many are native to our state. The most common is the deer mouse, which can live anywhere from the mountains to the plains.

What is the smallest kangaroo called?

The smallest kangaroo is the musky rat-kangaroo. It is only 6 to 8 inches (15.24 to 20.32 cm) long and weighs only 12 ounces (340 grams).

What is the tiniest kangaroo?

The musky rat-kangaroo (Hypsiprymnodon moschatus), which reaches just 35 centimeters in length, lives in a tiny stretch of tropical rainforest on Australia’s northeastern coast.

Why do kangaroos have long loop of henle?

The kangaroo rat’s kidneys are well-organized and produce only small quantities of urine, which is highly concentrated. They are said to have very long loops of Henle. These long loops of Henle allows the water to be reabsorbed efficiently.

Where do giant kangaroo rats live?

Scrub desert and piedmont are the basic habitats of giant kangaroo rats. They prefer relatively flat homogenous terrain with shrubs and rocks being almost totally absent. Typical habitat is stretches of easily excavated sandy loam covered with annual grasses and herbs.

Are there kangaroo mice in colorado?

Another interesting species is the tiny Ord’s kangaroo rat. These reddish-brown and white rodents live in Colorado’s lower elevations, and are well adapted to our state’s climate because they can survive without drinking water.