This third sex, the sterile neuters, can be transformed at desire into sexual females in certain species, as P.
Such an observation was made by Morgan on a certain species of phylloxerans.
It is purely due to limitation of food that bacteria or certain species of them do not cover the whole planet.
And, again, what is the meaning of the colours being widely different in the males and females of certain species, and alike in the two sexes of other species?
In certain species in the genus Gomphus the males are equally numerous, whilst in two other species, the females are twice or thrice as numerous as the males.
Only in certain species is life as short as I have indicated above; in the majority it lasts for one or more days.
I have omitted the lengthening of imaginal life which is due to hybernation in certain species.
And, as a matter of fact, molecular differentiation and grouping, whether present from the beginning or first appearing in the course of development, plays a rĂ´le which can be almost directly observed in certain species.
When in columns they are seeking for the nests of a certain species of ant which have their young in holes of rotten logs.
Their popular name of Calmar (calamar in old French) is taken from their resemblance to certain species of ink-holders.
Certain species belonging to the colony, which seem destined to perpetuate the race, have not the same regular form.
The body of the cuttle-fish (Sepia) is thus a very singular structure, somewhat reminding us of certain species of polyps.
The plumes and other ornaments, which the cocks of certain species display, Wallace would attribute to a surplus of strength, vitality, and growth power, which is able to expend itself in this way without injury.
He was able to effect changes in the colouring of certain species by means of humidity.
Certain species of bacteria do not produce spores as just described, but may give rise to bodies that are sometimes called arthrospores.
Further, it has been proved that there is sometimes more or less of a metamorphosis in the life history of certain species of bacteria.
The second method by which bacteria aid in the reclaiming of this lost nitrogen is by a combined action of certain species of bacteria and some of the higher plants.
What would they avail the new being which, in certain species of butterflies, dispenses with sustenance, has no mouth but by agreement, and is so completely freed from digestion that frequently it has not even an inferior orifice?
But this gregarious mode of living is wholly exceptional, confined to certain species, and peculiarly favoured climates.
On the other hand, certain species of Sorbus, when grafted on other species, yielded twice as much fruit as when on their own roots.
In Hispaniola he had to lay his ships on the ground to repair their bottoms, because a certain species of worms had eaten many holes in the planks.
In this country there is a certain speciesof small vermin, which attaches itself to the trunks of the elephants, to suck their blood, by which many elephants die.
The matter about which virtue is concerned is its object, and this could not be included in the above definition, because the object fixes the virtue to a certain species, and here we are giving the definition of virtue in general.
But if it has in itself the character of good or evil, for this very reason it has a certain species of good or evil.
But place makes a moral action to be in a certain species of evil; for theft of a thing from a holy place is a sacrilege.
Certain species multiply in such a prodigious manner, that they lay waste vast spaces of land, and in a very short time reduce whole countries to the very last state of misery.
Simple eyes, or stemmata, are moreover observed in certain species, and are generally more or less hidden by scales.
Certain species, which inhabit the warm regions of the south, move their legs with scarcely any noise; it being only perceptible to a very fine ear.
Variations of this sort, De Candolle, with his usual painstaking, classifies and tabulates, and even expresses numerically their frequency in certain species.
He surmised that, notwithstanding the general stability of forms, certain species or quasi-species might have originated through diversification under geographical isolation.
In certain species of cocides the male is so small that his proportion is that of an ant strolling over a peach.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "certain species" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.