Usa "become extinct" in una frase
become extinct frasi di esempio
become extinct
1. “Unfortunately, things are not so simple, nor is war the only way for a race to become extinct
2. would become extinct, how much more of the earth would be
3. ‗Since the beginning of this lesson the planet‘s population has increased by more than two thousand, one species has become extinct, four hundred hectares of forest have been cut, two hundred hectares have become desert, and forty-one million dollars have been spent on warfare!‘
4. Where was I? Ah yes… The female mating instinct was probably the main reason humans didn‘t become extinct when half of all infants died before their first birthday, but they have to share the blame for population stress, with modern medicine
5. species that have become extinct as a result of humanity's cold-
6. Various species of fish and mammals have become extinct or endangered when dams have been constructed
7. tamed and become extinct
8. He had made the point of saying if it hadn’t been for zoos, and traditions of keeping dolphins in research facilities and theme parks, such as as Sea World, that dolphins might have become extinct, just like the hump back whale
9. “The Voth are destined to become extinct,” Gary said
10. She couldn’t sit idly by and watch mankind’s nearest relatives become extinct before her very eyes
11. Because Richard's father-in-law's dukedom had become extinct when Anne could not inherit it, he was created Duke of Norfolk on 7th February, 1477
12. Unfortunately the flies showed up on Earth anyway and the ants had never become extInct on Earth
13. In order to have the regenerating cycle of Life continue and not become extinct, Connection must balance Separation
14. All of he international cartel rich bankers will go out of business and they will become extinct as will all corporations
15. Life has evolved from an original singular cell created through predetermined design and order from atom-energy structures of non-life to the many species of life that have, to date, survived today including those that have become extinct
16. It is to adduce arguments of various kinds in support of the belief that in death the soul will not become extinct, will not die, perish, or be destroyed
17. They'll become extinct
18. Had stolen away this child, in order that your name might become extinct
19. Ideas do not become extinct, sire; they slumber sometimes, but only revive the stronger before they sleep entirely
20. He'd seen his species become extinct
21. But we may go further than this; for as new forms are produced, unless we admit that specific forms can go on indefinitely increasing in number, many old forms must become extinct
22. Hence all the intermediate forms between the earlier and later states, that is between the less and more improved states of a the same species, as well as the original parent-species itself, will generally tend to become extinct
23. But which groups will ultimately prevail, no man can predict; for we know that many groups, formerly most extensively developed, have now become extinct
24. Murray observes, have not as yet been found anywhere except in caves; yet those which inhabit the several caves of Europe and America are distinct; but it is possible that the progenitors of these several species, while they were furnished with eyes, may formerly have ranged over both continents, and then have become extinct, excepting in their present secluded abodes
25. If about a dozen genera of birds were to become extinct, who would have ventured to surmise that birds might have existed which used their wings solely as flappers, like the logger headed duck (Micropterus of Eyton); as fins in the water and as front legs on the land, like the penguin; as sails, like the ostrich; and functionally for no purpose, like the apteryx? Yet the structure of each of these birds is good for it, under the conditions of life to which it is exposed, for each has to live by a struggle: but it is not necessarily the best possible under all possible conditions
26. When we reflect on these facts, here given much too briefly, with respect to the wide, diversified, and graduated range of structure in the eyes of the lower animals; and when we bear in mind how small the number of all living forms must be in comparison with those which have become extinct, the difficulty ceases to be very great in believing that natural selection may have converted the simple apparatus of an optic nerve, coated with pigment and invested by transparent membrane, into an optical instrument as perfect as is possessed by any member of the Articulata class
27. Or again, if we take an organ common to all the members of a class, for in this latter case the organ must have been originally formed at a remote period, since which all the many members of the class have been developed; and in order to discover the early transitional grades through which the organ has passed, we should have to look to very ancient ancestral forms, long since become extinct
28. If all pedunculated cirripedes had become extinct, and they have suffered far more extinction than have sessile cirripedes, who would ever have imagined that the branchiae in this latter family had originally existed as organs for preventing the ova from being washed out of the sack?
29. This view of the development of the vibracula, if trustworthy, is interesting; for supposing that all the species provided with avicularia had become extinct, no one with the most vivid imagination would ever have thought that the vibracula had originally existed as part of an organ, resembling a bird's head, or an irregular box or hood
30. This ant is absolutely dependent on its slaves; without their aid, the species would certainly become extinct in a single year
31. In examining the latest deposits, in various quarters of the world, it has everywhere been noted, that some few still existing species are common in the deposit, but have become extinct in the immediately surrounding sea; or, conversely, that some are now abundant in the neighbouring sea, but are rare or absent in this particular deposit
32. Hence, we see why all the species in the same region do at last, if we look to long enough intervals of time, become modified; for otherwise they would become extinct
33. So little is this subject understood, that I have heard surprise repeatedly expressed at such great monsters as the Mastodon and the more ancient Dinosaurians having become extinct; as if mere bodily strength gave victory in the battle of life
34. I may repeat what I published in 1845, namely, that to admit that species generally become rare before they become extinct—to feel no surprise at the rarity of a species, and yet to marvel greatly when the species ceases to exist, is much the same as to admit that sickness in the individual is the forerunner of death—to feel no surprise at sickness, but, when the sick man dies, to wonder and to suspect that he died by some deed of violence
35. Thus, as it seems to me, the manner in which single species and whole groups of species become extinct accords well with the theory of natural selection
36. To compare small things with great; if the principal living and extinct races of the domestic pigeon were arranged in serial affinity, this arrangement would not closely accord with the order in time of their production, and even less with the order of their disappearance; for the parent rock-pigeon still lives; and many varieties between the rock-pigeon and the carrier have become extinct; and carriers which are extreme in the important character of length of beak originated earlier than short-beaked tumblers, which are at the opposite end of the series in this respect
37. As these are formed, the species of the less vigorous groups, from their inferiority inherited from a common progenitor, tend to become extinct together, and to leave no modified offspring on the face of the earth
38. We should not forget the probability of many fresh-water forms having formerly ranged continuously over immense areas, and then having become extinct at intermediate points
39. In these chapters I have endeavoured to show that if we make due allowance for our ignorance of the full effects of changes of climate and of the level of the land, which have certainly occurred within the recent period, and of other changes which have probably occurred—if we remember how ignorant we are with respect to the many curious means of occasional transport—if we bear in mind, and this is a very important consideration, how often a species may have ranged continuously over a wide area, and then have become extinct in the intermediate tracts—the difficulty is not insuperable in believing that all the individuals of the same species, wherever found, are descended from common parents
40. The endurance of each species and group of species is continuous in time; for the apparent exceptions to the rule are so few that they may fairly be attributed to our not having as yet discovered in an intermediate deposit certain forms which are absent in it, but which occur above and below: so in space, it certainly is the general rule that the area inhabited by a single species, or by a group of species, is continuous, and the exceptions, which are not rare, may, as I have attempted to show, be accounted for by former migrations under different circumstances, or through occasional means of transport, or by the species having become extinct in the intermediate tracts
41. Many species when once formed never undergo any further change but become extinct without leaving modified descendants; and the periods during which species have undergone modification, though long as measured by years, have probably been short in comparison with the periods during which they retained the same form
42. A grain in the balance may determine which individuals shall live and which shall die—which variety or species shall increase in number, and which shall decrease, or finally become extinct
43. "If man were to fulfil the precepts of Christ, he would destroy his life; and if all the world were to fulfil them, the human race would soon become extinct
44. Every object for which the war was originally begun and continued to 1806, has since that time become extinct