If each species has been created independently, and without any necessary relations with pre-existing species, what do these rudiments, these apparent imperfections mean?
So I must still think it a bold step (perhaps a very true one) to sink into the depths of ocean, within the period of existing species, so large a tract of surface.
Most of these mammals were so similar to existing forms that the older naturalists placed them in existing species, but the tendency now is to separate them or place them in distinct subspecies.
The second volume, he hopes, will be out in six months; this will include the history of the globe to the beginning of the Tertiary era, when the first of existing species appeared.
The youngest strata hold the remains of existing species of animals and plants and those of species and varieties closely allied to them.
How slowly they change may be seen in the apparent stability of existing species.
Of the four phyletic stages indicated by the ontogeny of Elpenor and Porcellus, three still form the terminus of the development of existing species.
The phyletic stages indicated by queries are extinct, and only known through the ontogeny of existing species.
The permanent false molar, which is also concealed in this upper jaw, is larger than that of the lower jaw of Macropus titan, but I have observed a similar discrepancy in size in the same teeth of an existing species of Macropus.
That the extinct species of Macropus, Dasyurus, Phascolomys, especially Macropus atlas and Macropus titan are larger than the largest known existing species.
It is now demonstrated, however, that these fossils are related to existing species, and sometimes it is possible to trace back the evolution of existing forms to very primitive forms in this way.
The fossil remains of extinct species of animals are found in the earth's crust which are evidently ancestors of existing species.
Darwin's theory necessitates the belief, not that man sprang from any existing species of ape, but rather that the apes and man have sprung from some common stock.
The fluviatile and land-shells are all of existing species, but their geographical range has not always been the same as at present.
IV-2] A special advantage of the Cupuliferae for determining the probable antiquity of existing species in Europe, De Candolle finds in the size and character of their fruits.
Not, however, that this is proved even of existing species as a matter of general fact.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "existing species" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
