Marsupials have two nether orifices: one for excreting both solids and liquids ; the other for reproduction, which appears as a vagina in females and a penis in males.

Marsupials must develop a grasping forepaw during their early youth, making the transition from this limb into a hoof, wing, or flipper, as some groups of placental mammals have done, far more difficult.

Marsupials have an extremely short gestation period ( about 4 – 5 weeks ), and the joey is ' born ' essentially in a fetal state.

Marsupials and monotremes do not have menstruation.

Marsupials and eutherian mammals typically have an even number of nipples arranged bilaterally, from as few as two to as many as 19.

Marsupials have and non-placental eutherians had a narrower opening that allows only small, immature offspring to pass through.

Marsupials have only awn hair.

Marsupials appear to have traveled ( via Gondwanan land connections ) from South America through Antarctica to Australia in the late Cretaceous or early Tertiary.

Marsupials spread westward into modern North America ( still attached to Eurasia ) and then to South America, which was connected to North America until around 65 mya.

Marsupials give birth at a very early stage of development ( about 4 – 5 weeks ); after birth, newborn marsupials crawl up the bodies of their mothers and attach themselves to a nipple, which is located on the underside of the mother either inside a pouch called the marsupium or open to the environment.

Marsupials are characterised by the presence of a pouch in which they rear their young.

Marsupials, which are an order of metatherian ( pouched ) mammals, resorb rather than deliver the placenta, and therefore cannot engage in placentophagia ; they do, however, vigorously lick birth fluids as they are excreted.

Marsupials present in South America included didelphimorphs ( opossums ) and several other small groups ; larger predatory relatives of these also existed, like the borhyaenids and the sabertooth Thylacosmilus ( sparassodont metatherians which are no longer considered to be marsupials ).

* Yvonne Rousseau's Minmers Marooned and Planet of the Marsupials: The Science-Fiction Novels of Cherry Wilder ( 1997 ) is the third in Nimrod's Babel Handbook series.

Marsupials are characterized by giving birth to relatively undeveloped young.

Marsupials are an infraclass of mammals living primarily in the Southern Hemisphere ; a distinctive characteristic, common to most species, is that the young are carried in a pouch.

Marsupials represent the clade originating with the last common ancestor of extant metatherians.

Marsupials and placental mammals split from the monotremes during the Cretaceous Period.

Marsupials reached Australia via Antarctica about 50 mya, shortly after Australia had split off.

Marsupials ( and also monotremes ) also lack a gross communication ( corpus callosum ) between the right and left brain hemisphere.

* Dawson, Terrence J. Kangaroos: Biology of Largest Marsupials.

The Biology of Marsupials.

The presence of mystacial ( where a moustache would be ) vibrissae in distinct lineages ( Rodentia, Afrotheria, Marsupials ) with remarkable conservation of operation suggests that they may be an old feature present in a common ancestor of all therian mammals.

* Action Plan for Australian Marsupials and Monotremes.

The claustrum has a phylogenetic background appearing predominantly in insectivores, Prosimians, and Marsupials.

Both Euarchontoglires and Diprotodont Marsupials are documented to possess a vermiform appendix, although this evolved as a result of convergence.

The only thing which would have attracted attention was that two wore the uniform of prison guards, three the striped suits of convicts.

The body may have been two or three weeks' dead.

C'mon, buddy, help me set up the kitchen and we'll have food in a minute or two ''.

When I question them as to what they mean by concepts like liberty and democracy, I find that they fall into two categories: the simpler ones who have simply accepted the shibboleths of their faith without analysis ; ;

But in our case -- and neither my wife nor I have extreme views on integration, nor are we given to emotional outbursts -- the situation has ruined one or two valued friendships and come close to wrecking several more.

The one apparent connection between the two is a score of buildings which somehow or other have survived and which naturally enough are called `` historical monuments ''.

I don't propose to go into their history, but I have one or two surmises.

There is probably some significance in the fact that two of the best incest stories I have encountered in recent years are burlesques of the incest myth.

To you, for instance, the word innocence, in this connotation, probably retained its Biblical, or should I say technical sense, and therefore I suppose I must make myself quite clear by saying that I lost -- or rather handed over -- what you would have considered to be my innocence two weeks before I was legally entitled, and in fact by oath required, to hand it over along with what other goods and bads I had.

It is reasonable to affirm two propositions: Jews have been perceived by non-Jews as all things to all men ; ;

Seeing their hesitation, I said, `` Well, until I have permission to enter Germany, or a visa to re-enter France, I shall be obliged to remain here on the line between two countries '', whereupon I moved to the side of the road, parked my backpack against the small guardhouse on the sidewalk, sat down, took out my typewriter, and began typing the above conversation.

These illiterate boors conscripted from villages all across the Czarina's empire had, Suvorov may have told Lewis, just two things a commander could count on: physical fitness and personal courage.

`` Little Rock is, without any flattery, one of the dullest towns in the United States and I would not have remained two hours in the place, if I had not met with some good friends who made me forget its dreariness ''.

Obviously the commander-in-chief had confidence that Morgan would furnish him good intelligence too, for on the 23rd of May, he told Morgan that the British were prepared to move, perhaps in the night, and asked Morgan to have two of his best horses ready to dispatch to General Smallwood with the intelligence obtained.

Blackman called the porter and had him remove everything but one bottle of brandy, and after that they would have a cocktail or two before dinner, or, on one of their walking trips, beer, or, in France and Italy, wine in moderation.

This session, for instance, may have insured a financial crisis two years from now.

To almost two generations of Americans it must have seemed as though the existence of Mr. Sam coincided with that of the House.

The two cities have the examples of Little Rock and New Orleans to hold up as warnings against resorting to violence to try to stop the processes of desegregation.

We in East Greenwich have the example of two neighboring communities, one currently utilizing double sessions in their schools, and the other facing this prospect next year.

Since two of these could be trustees of the college, actually it would be necessary to have the consent of only one elected official to impose a levy of millions of dollars of tax revenue.

A Member of the United Nations which is in arrears in the payment of its financial contributions to the Organization shall have no vote in the General Assembly if the amount of its arrears equals or exceeds the amount of the contributions due from it for the preceding two full years ''.

So the Commission's announcements of the new Soviet shots have been confined to one or two bleak sentences, with the fission yield usually left vague.

The military in Taiwan believe that the Communists have made two mistakes, which, together, may prove fatal.

They tried to outface him, but Joseph Simmons was as wide as two average men, and it would have taken braver men than these were to outface him.

The two in the bed knew each other as old people know the partners with whom they have shared the same bed for many years, and they needed to say no more.