The only other vertebrates in the Seychelles are two fresh-water fishes abounding in the streams and rivulets.
Finally, the susceptibility to training evinced by the higher vertebrates is indisputable proof of the ability of these animals to profit by experience.
There can be no doubt but the higher vertebrates adapt their actions in some moderate degree to circumstances.
And, finally, there is the study of the varied forms of invertebrates, some of which have proved to be like vertebrates in part of their structure, while others have been revealed as vertebrates in disguise.
An admirable book on the vertebrates is "Outlines of Vertebrate Paleontology," by Arthur Smith Woodward.
These early vertebrates are not only small, but they were cartilaginous, so that it was essential for their preservation that they should be buried in soft mud as soon as possible after death.
Other vertebrates are provided with lungs and take their oxygen directly from the air.
Not all vertebrates develop directly into an adult.
Of all vertebrates fishes are the only ones fitted to breathe all their lives under water.
The frog belongs to the class of vertebrates known as Amphibia.
Home ranges, territories and seasonal movements of vertebrates of the Natural History Reservation.
Home ranges, territories, and seasonal movements of vertebrates of the Natural History Reservation.
He does not know, for example, exactly which order of invertebrates contains the type from which vertebrates sprang, though several hotly contested opinions, each exclusive of the rest, are in the field.
Again, there is like uncertainty and difference of opinion as to just which order of lower vertebrates formed the direct ancestry of the mammals.
In this way we might account for the fact that in the vertebrates the same organ, through different parts of its structure, appreciates both change of motion and auditory vibrations.
An American is said to have described the difference between vertebrates and insects by saying that the former are composed of flesh and bone, and the latter of skin and squash.
True eyes, or organs in which a retinal image is formed, through the instrumentality of a lens, as in vertebrates and cephalopods.
I will now give two instances of intelligence in vertebrates which exemplify phases of inference somewhat different from those which we have so far considered.
But in the higher invertebrates and vertebrates there is a sex-differentiation among the individuals, the adult males being possessed of testes only and producing sperms, the adult females possessed of ovaries only and producing ova.
Even among the higher vertebrates we are very apt, I imagine, to over-estimate the intensity of their feelings.
Closely connected with the organ of hearing invertebrates is the organ of another and but recently recognized sense.
Within the ranks of the vertebrates we find to-day a long series of evolutionary stages which reach up from the lowest acrania and cyclostoma to the fishes and dipneusta, from these to the amphibia, and from these again to the amniota.
The two stems of the articulates and vertebrates rise above all the other metazoa by the perfection of their organism and the variety of their functions.
In the vertebrates it mainly affects the internal organs, the skeleton, and the muscular system.
The nostrils of the air-breathing vertebrates have been developed from a pair of open nasal depressions in the skin of the fish's head.
Of the vertebrates only fishes are found in the Silurian age, dipneusta only begin in the Devonian, and the first mammals are in the Triassic.
They are like vertebrates from which the cerebrum has been partly or wholly removed in the laboratory.
Gastric or internal gills are peculiar to the vertebrates and the next-related tunicates, with a small group of the vermalia, the enteropneusta.
Now, among various typically tailed vertebratesthe tail is sometimes absent.
This character has arisen among vertebrates repeatedly and has become perpetuated in some amphibia and primates, including man.
The tail of vertebrates is, historically, the post-anal part of the trunk.
Protozoa, parasitic worms, earthworms, parasitic insects, spiders, and such vertebrates as certain birds and mammals.
Expecting, as on Jupiter, to find principally vertebrates of the reptile and bird order, they carried guns and cartridges loaded with buckshot and No.
Then appear warm-blooded vertebrates (birds), that propagate by eggs exclusively.
Then warm-blooded vertebrates come upon the stage, that produce eggs without shells, which have to be subjected for months to a species of extra-placental incubation.
And yet, notwithstanding these exceptional cases, the true typical number of limbs, as shown by a preponderating majority of the vertebrates of all ages of the world, is four.
The segmental tubes forming the Wolffian body of Vertebrates have at first no outlet, and embryologists have hesitated to regard this phase of development as the permanent condition of any ancestral form.
The minute structure of the voluntary or striped muscular fibres of Vertebrates is described in common text-books.
In many Invertebrates there are no striated muscles at all, while in Vertebrates only voluntary muscles, as a rule, are striated.
The protoplasm of the epithelial cells of Vertebratesis capable of forming fat.
The segmental organs of Peripatus, Annelids, andVertebrates do not appear to be possible equivalents of the excretory organs of Arthropods.
An exhaustive Treatise on the Species of Fish-like Vertebrates found in the Waters of N.
Appended is a List of Vertebrates of the Same Region.
In the first place, there is the fascinating story of the origin of vertebrates from invertebrates of the sea scorpion or spider type.
In the lowest vertebrates and in the homologous tissues of the higher invertebrates, the fractions of the thyroid are intimately connected with the ducts of the sexual organs.
The vertebrates include remains of fishes, amphibia, reptiles, birds and mammals.
But the mammals are the most interesting vertebrates of the Eocene period.
The vertebrates alone differ markedly from living forms, being chiefly of extinct species, and in many cases belonging to extinct genera.
The vertebrates are represented by a considerable variety of fishes, and less abundant though tolerably numerous remains of Amphibia, which occur in the Carboniferous rocks of the North of England, Ireland, France, North America and elsewhere.
The vertebrates consist of forms of fish, amphibia and reptiles, and the Permian rocks are the earliest strata in which the remains of true Reptilia are known to occur with certainty.
Feeding ecology of the Franciscana Dolphin, Pontoporia blainvillei, and associated top trophic vertebrates in Uruguayan waters.
The significance of vertebrates in the Antarctic marine ecosystem.
In a review study, Sanger (1974) considered the food-chain relations of similar vertebrates in the Bering Sea.
Natural Enemies Some 56 species of animals that regularly prey on small vertebrates live on the Reservation.
Vertebrates from the barrier island of Tamaulipas, Mexico.
Among free animals it is against the moral and ethical codes of all species of vertebrates for the strong to bully and oppress the weak; but it is almost everywhere a common rule of action with about ten per cent of the human race.
It afflicts the human race, and all othervertebrates are subject to it.
The La Brea fossil beds at Los Angeles, wherein a hospitable lake of warm asphalt conserved skeletal remains of vertebrates to an extent and perfection quite unparalleled, have revealed some very remarkable conditions.
The next best place for study purposes is a spacious, sanitary and well-stocked zoological park, wherein are assembled great collections of the most interesting land vertebrates that can be procured, from all over the earth.
Geologically this is a very ancient region, having appeared above the waters before the dawning of the age of reptiles, or, indeed, of any true landvertebrates on the globe.
Among the highervertebrates there are many known factors which have influence, some in one set of cases, some in another set of cases, in the development and preservation of species.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "vertebrates" in a variety of sentences. We hope that you will now be able to make sentences using this word.
