If their reproductive isolation is incomplete, then further mating between the populations will produce hybrids, which may or may not be fertile.

If this continues, only hybrids will occur and in the long term this will result in the extinction of various indigenous waterfowl.

If these hybrids are successful, they may out compete their parent species.

If this identification is correct, then it is a remarkable agreement with lattice computations, which place several hybrids in this range of masses.

If hybrids are used, higher-lofted woods are often omitted as redundant, but ladies ' and seniors ' sets commonly feature both hybrids and high-lofted woods, omitting the long irons entirely in favor of the lofted woods, and replacing the mid-irons ( 5-7 ) with hybrids.

If it were not for an old professor who made me read the classics I would have been stymied on what to do, and now I understand why they are classics ; ;

If I even hint at it do you think it will matter that you are his nephew -- and not even a blood nephew ''??

If the circumstances are faced frankly it is not reasonable to expect this to be true.

If his dancers are sometimes made to look as if they might be creatures from Mars, this is consistent with his intention of placing them in the orbit of another world, a world in which they are freed of their pedestrian identities.

If love reflects the nature of man, as Ortega Y Gasset believes, if the person in love betrays decisively what he is by his behavior in love, then the writers of the beat generation are creating a new literary genre.

If to be innocent is to be helpless, then I had been -- as are we all -- helpless at the start.

Defoe then commented, `` If they Could Draw that young Gentleman into Their Measures They would show themselves quickly, for they are not asham'd to Say They want only a head to Make a beginning ''.

If Jews are identified as a religious body in a controversy that comes before a national or international tribunal, it is obviously compatible with the goal of human dignity to protect freedom of worship.

If they are right, they will prevail of and by themselves.

Without preliminaries, Esther asked him, `` If you are a world citizen, will you take Garry Davis' place in his tent while he goes to the hospital ''??

If we are to believe the list of titles printed in Malraux's latest book, La Metamorphose Des Dieux, Vol. 1 ( ( 1957 ), he is still engaged in writing a large novel under his original title.

If the would-be joiner asks these questions he is not likely to be duped by extremists who are seeking to capitalize on the confusions and the patriotic apprehensions of Americans in a troubled time.

If we break the minister to our bit, we are buying back our own sins.

If the record buyer's tastes are somewhat eclectic or even the slightest bit esoteric, he will find them satisfied on educational records.

If Daddy's books are out of bounds his own picture books are not.

If it will simply delay the debates until the qualifications are closed next spring, and then carry all the candidates on a tour of debates, it can provide a service to the state.

If they are to be commended for foresight in their planning, what then is the judgment of a town council that compounds this problem during the planning stage??

If the Communists are sincere in wanting a united, neutral and disarmed Germany, it might well be advantageous for the German people in this nuclear age.

If only this could be done more often -- with such heartening results -- many of the earth's `` big problems '' would shrink to the insignificances they really are.

If any are left, presently, we may expect to see signs specifically prohibiting the feeding of them too.

If the raw population figures are crucially relevant, then it is idle to think of liberation, as idle as to suppose that Poland might liberate Russia.

If it is not enough that all of our internationalist One Worlders are advocating that we join this market, I refer you to an article in the New York Times' magazine section ( Nov. 12, 1961 ), by Mr. Eric Johnston, entitled `` We Must Join The Common Market ''.

If the UN troops are not mercenaries then the Hessians were not mercenaries either.

If land is exhausted or becomes infertile, or it is devastated by a natural disaster, or if the yield of mines, forests and fisheries becomes too low, production can no longer continue.

" With the possibility that Alfie could be the father of Tommy, Richie added: " As soon as I found out, I thought, ' If Alfie isn't infertile, then surely Tommy could be his son '.

To avoid debates about the possibility of in-vitro fertilization, artificial insemination, or cloning, the original Darwin Awards book applied the following " deserted island " test to potential winners: If the person were unable to reproduce when stranded on a deserted island with a fertile member of the opposite sex, he or she would be considered sterile.

If his stay in London was disappointing professionally, however, it proved a fertile period for Semper's theoretical, creative and academic development.

If the eggs are fertile, and kept in darkened surroundings, they will hatch in about three days at 28 ° C.

If the difficulty real or supposed has grown out of the circumstances of my having been connected with the negotiation at St Mary's I feel it my duty to state to the committee that I acted from an entire conviction of its propriety and an anxious desire on my part to promote the welfare and accomplish the wishes of the whole people of the State in assisting to add a large and fertile tract of country to that which we already possess "

If they lived in areas with fertile land, Russian peasants led better lives than their French counterparts, who were heavily taxed while Catherine ’ s government reduced taxes in the last quarter of the eighteenth century, and unlike the Irish, English, and French, Russians were entitled to land to farm due to the communal structure of the townships.

... If the land is fertile ..." / Barret: " Then there's gotta be Mako!

" " If, instead of processing spent fuel, the ALMR system were used to reprocess irradiated fertile ( breeding ) material in the electrorefiner, the resulting plutonium would be a superior material, with a nearly ideal isotope composition for nuclear weapons manufacture "

If the first seeing, starting, or pursuing such animals, without having so wounded, circumvented or ensnared the animal, so as to deprive them of their natural liberty, and subject them to the control of their pursuer, should afford the basis of actions against others for intercepting and killing them, it would prove a fertile course of quarrels and litigation.

If he condemns the recent or the present, he condemns the past with no less force.

If we grasp this opportunity to build an age of productive partnership between the less fortunate nations and those that have already achieved a high state of economic advancement, we will make brighter the outlook for a world order based upon security and freedom.

If this choice is less exciting than New York Democrats may wish, it nevertheless must be made.

If the less developed countries are to be persuaded to adopt a long-term approach, the United States, as the principal supplier of external aid, must be prepared to give long-term commitments.

If the resulting difference for the particular State is less or more than these extremes, the State's allotment percentage must be raised or lowered to the appropriate extreme.

If the resulting difference for the particular State is less or more than these extremes, the State's Federal share must be raised or lowered to the appropriate extreme.

If your computation on Form 1040 or Form 1040A shows you owe additional tax, it should be remitted with your return unless you owe less than $1, in which case it is forgiven.

If you have a house which heat doesn't penetrate easily, your unit will have less heat to remove.

If such is the case, the particles within a distance of about Af of the Earth will have, relative to the Earth, a kinetic energy less than their potential energy and they will be captured into orbits about the Earth.

If the latter knows nothing about the absent sitter except his name ( given by the experimenter ), he cannot possibly give any clues, conscious or unconscious, far less ask leading questions.

If death receives more than its share of attention from the theologian and if sin receives less than its share, the gift of the life eternal through Christ begins to look like the divinely appointed means of rescue from temporal, i.e., created, existence.

If we have not thought and made a decision entirely in these terms, then we need to submit ourselves to the following `` simple test '': `` Have we decided how we are to kill the other members of our household in the event of our being less injured than they are ''??

If the voice is just a shade less glorious than it used to be, it is still a beautiful instrument, controlled and flexible.

If the claim is unopposed, the Committee will generally award the claim, unless there is evidence of collusion, the peerage has been in abeyance for more than a century, or the petitioner holds less than one-third of the claim.

If two equivalent amplifiers are being compared, the amplifier with higher gain settings would be more sensitive as it would take less input signal to produce a given amount of power.

If the maximum gain is 0 dB, the 3 dB gain is the range where the gain is more than-3dB, or the attenuation is less than + 3dB.

Pasternak later said, " If, in a bad dream, we had seen all of the horrors in store for us after the war, we should have been sorry not to see Stalin go down together with Hitler: an end to the war in favour of our allies, civilized countries with democratic traditions, would have meant a hundred times less suffering for our people than that which Stalin again inflicted on it after his victory.

If the addition of a functional group takes place at the less substituted carbon atom of the double bond, then the electrophilic substitution with acids is not possible.

If a main-sequence star is not too massive ( less than approximately 8 solar masses ), it will eventually shed enough mass to form a white dwarf having mass below the Chandrasekhar limit, which will consist of the former core of the star.

If light pressure were the cause of the rotation, then the better the vacuum in the bulb, the less air resistance to movement, and the faster the vanes should spin.

If however it has already saved its life by self-castration and is again pursued, then it stands up and reveals that it offers no ground for their eager pursuit, and releases the hunters from all further exertions, for they esteem its flesh less.

If people with cholera are treated quickly and properly, the mortality rate is less than 1 %; however, with untreated cholera, the mortality rate rises to 50 – 60 %.

If pictures are taken from the same distance using the same f-number, same focal length, and the final images are the same size, the smaller format has less DOF.

If the average density ( including any air below the waterline ) of an object is less than water it will float in water and if it is more than water's it will sink in water.

If the width of the slits is small enough ( less than the wavelength of the laser light ), the slits diffract the light into cylindrical waves.