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Marsupials have pouches to carry their young. No other animal besides marsupials have pouches.
Correction:
It is not the pouch that makes marsupials unique. This is a common but erroneous belief. Not all marsupials have pouches, and some other creatures, such as echidnas, do carry their young in a pouch.
What makes the marsupial different is the fact that the young are all born extremely undeveloped, after a short gestation period. Most species then nurture their joeys in a pouch, but the joeys of those that do not have a pouch cling to the mother's underbelly, secured by the mother's teat which has swollen in the joey's mouth.
In addition, female marsupials have two vaginas, or what are called paired lateral vaginae. These are for the purpose of transporting the sperm to the womb, but there is a midline pseudovaginal canal for actually giving birth. As well as two vaginas and two uteruses, female marsupials have two fallopian tubes and two cervixes.
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What mammal has nucleated red blood cells?
Nearly all non-mammal vertebrates have nucleated red blood cells (nRBC). Non-nucleated RBC's are a unique feature to mammals. There are of course a few notable exceptions, such as the artiodactyl order, which have an odd blood morphology.
Is an echidna an invertebrate?
No. All echidnas are mammals, and all mammals are vertebrates. Echidnas are different from "echinoderms".
Do playtupus lay eggs you really need to know now for school please right away Bree?
Yes, Bree. This is one of the weirdest animals, I think. Even though they are mammals, they do lay eggs, which is so bizarre imho. :) Mammals are a class of animals that all have mammary glands (boobies). ;) The next division down is order. Platypus are one of only 5 remaining species of the order, Monotremata, all of which lay eggs. No other mammals exist that lay eggs.
Is innate immunity found in mammals?
Yes - innate immunity is found in all mammals.
Are canary birds mammals?
No. Canaries are birds, which are a class of animals all their own distinct from mammals.
Is the koala a true mammal?
Yes. Koalas are true mammals. Like other mammals, koalas give birth to live young, they feed their young with milk, and they are warmblooded, all defining features of Mammals.Koalas, specifically, are an order of mammals known as marsupialia, or marsupials. They are mammals in every sense of the word, but they also have a pouch in which most of the development of the young joey occurs.
Why is man considered to be unique among the mammals?
Humans are very unique among all the numerous mammals. So far, we have evolved and adapted the most. Hope this helped! :)
What is distinctive of mammals?
Mammals have internal breeding and have sexual intercourse in order to fertalize the eggs. Other animals have external breeding where the female lays the eggs and then the male fertilizes it. In simpler terms, Mammals have sex, and other animals don't.
What animal has human like fingerprints?
All mammals have unique fingerprints.
Why do people say that koalas are mammals?
Koalas are mammals. Specifically, they are an order of mammals known as marsupialia, or marsupials. They are mammals in every sense of the word, but they also have a pouch in which most of the development of the young joey occurs.Like all mammals except for the monotremes (platypuses and echidnas), koalas give birth to live young.Placental mammals and marsupials have certain defining characteristics that distinguish them from other types of animals such as reptiles; these include hair, live birth (as compared to laying eggs - only mammals which are monotremes reproduce by laying eggs) and the feeding of milk to offspring by the mother; koalas have these characteristics.
Is a koala bear a mammal?
Yes. Like other mammals, koalas give birth to live young, they feed their young with milk, and they are warmblooded, all defining features of Mammals.Koalas, specifically, are an order of mammals known as marsupialia, or marsupials. They are mammals in every sense of the word, but they also have a pouch in which most of the development of the young joey occurs.
What is so unique about a sea otter's coat?
they have the thickest coat of all mammals
Are all cetaceans mammals?
Yes, by definition cetaceans are an order of mammals.
Are humans mammals or animals?
Both. Humans are animals in the order Mammalia. All mammals are animals, but not all animals are mammals.
A distinguishing feature of all mammals?
All mammals feed their young with milk, have hair, have a neocortex region of the brain, and have three middle ear bones. There are other characteristics shared by all mammals, but the above four are (for the most part) that only ones unique to mammals.
Kangaroos koalas and opossums all belong to what mammal group?
kangaroos and wallaby's belong to the same family. They belong to macopodibe meaning big footed. the wombat belongs to vombatidae and are usually characterized as having short stocky legs, almost a non-exsisting tail, large head and, small legs.
Are koalas a part of the bear family?
No. Koalas are marsupials, a whole separate class of mammals from the placental bears. Although often referred to by people outside of Australians as "koala bears", this is a misnomer. Koalas are not related to bears at all.
