Through this opening the water passes, the rotifer gathers his food from the current, and the food passes into the mastax, where it is ground by the masticating apparatus, which is easily seen in motion.
This large rotifer is plainly visible to the naked eye, and you will find it in both shallow and deep ponds, wherever water plants grow, during the months of July and August.
On several occasions I have observed them perform a kind of dance, a pas seul, for eachrotifer would be alone by itself.
This rotifer goes through another performance which I also believe to be simply a pastime.
It would seize a rotifer (there were numerous Brachioni in the water) with one of its pseudopodia, which it would then retract, until the captured Brachionus was safely within its abdominal cavity.
My rotifer had probably lived before the Deluge and would survive to the Judgment Day.
The body of the poorrotifer still lay motionless on the sand; but the weather, which remembers the colossal so ruthlessly, seemed to have forgotten the tiny atom.
I left my microscope, my rotiferand the pinch of sand which was his world.
I renewed the same test ten times: ten times the sand dried, ten times the rotifer died!
This rotiferis convenient to study as it thrives in vessels containing fresh-water to which some bread-crumb has been added (in the proportion of a gram of bread to 500 grams of water).
The sexes of the little rotifer can be distinguished from the earliest age, for eggs that are to become females are much larger than those from which males develop.
This rotifer was in fair abundance a few years back in the Barnt Green Reservoir, and last year in the neighbouring canal.
The writer has taken this rotifer in the pools at Sutton Park with a muslin net in such abundance as to form quite a jelly at the bottom of the net.
This trial of strength, which must have involved an immense expenditure of energy in proportion to the size of the animals, lasted for several minutes, till eventually the small rotifer was thrown violently away.
But not less surprising was the tenacity with which the smaller rotifer retained its hold; for although one might think that it was being almost jerked to pieces, after each bout of jerking it was seen to be still attached.
I have seen a small specimen of this rotifer seize a much larger one with its forceps, and attach itself by this means to the side of the cup.
There is a common and well-known rotifer whose body is of a cup shape, provided with a very active tail, which is armed at its extremity with strong forceps.
The changes of form in this rotifer are still more remarkable than in the common wheel-bearer.
In the common rotifer these organs are situated on the proboscis, while those of the Philodina are lower, and said to be "cervical.
The Philodina is a good deal like the common wheel-bearer, or Rotifer vulgaris, but is usually of a stouter build, and carries his eyes in a different place.
Had it not been for the jaws, which were working like fingers thrust against each other, and which were unmistakably of the rotifer pattern, the animal might have been supposed to belong to some other class.
On one occasion a glimpse was caught of a Rotifer similar in shape to the common wheel animalcule, but with a yellow inside.
If the rotifer could compare himself to the huge sponge, rely upon it that the rotifer would move his wheels in utmost excitement, and exclaim--"I am great.
It is to the rotiferwhat this globe, with its twenty-seven thousand miles of circumference is to man.
What if the rotifer could conceive, for instance, the superb, the colossal starred sponge, which one may see in the Museum at Paris?
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "rotifer" in a variety of sentences. We hope that you will now be able to make sentences using this word.
