An extensive division of rhizopods in which the pseudopodia are more or less slender and coalesce at certain points, forming irregular meshes.
The rhizopods belonging to the Radiolaria and Foraminifera have been of great geological importance, especially in the Cretaceous and Tertiary periods.
An order of fresh-water rhizopods having a more or less globular form, with slender radiating pseudopodia; the sun animalcule.
A division of fresh-water rhizopods including those that have a soft body and delicate branched pseudopodia.
An extensive order of rhizopods which generally have a chambered calcareous shell formed by several united zooids.
These rhizopods live in the oceans in enormous numbers.
The tiny rhizopods (meaning root foot) which have so large a share in chalk and limestone making, are among the smallest and simplest known kinds of animal life.
The rhizopods are of different shapes, sometimes round, sometimes spiral, sometimes having only one cell, sometimes having several cells.
On the fresh- and salt-water Rhizopods of England and India.
Rhizopods are the lowest creatures in the animal kingdom.
Through the amoebae one of these lines gives rise on the one hand to rhizopods and sponges in the animal kingdom, on the other to the Myxomycetes among the fungi.
The sarcode of all these deep-sea Rhizopods has many large black-brown pigment-cells.
John Murray distinguished at that time not less than fifty species of these interesting deep-sea Rhizopods and called them provisionally Challengerida; a term which we retain here for the largest and most characteristic family.
There were other minute animals swimming in the drop of water, but the rhizopods fed on unconcernedly until the shark of this microscopic sea appeared.
The rhizopods remained quiet for several seconds, and then swam to the alga and resumed feeding.
Some time ago, while examining the inhabitants of a drop of pond water under a high-power lens, I noticed several rhizopods busily feeding on the minute buds of an alga.
There can be no doubt but that the rhizopodsobserved by Carter displayed memory of locality.
These rhizopods suddenly drew in their hair-like cilia and sank to the bottom, to all appearances dead.
He does not designate the particular rhizopods that he had under observation, yet from his language, we are able to classify them approximately.
Note: The rhizopods belonging to the Radiolaria and Foraminifera have been of great geological importance, especially in the Cretaceous and Tertiary periods.
Defn: A division of fresh-water rhizopodsincluding those that have a soft body and delicate branched pseudopodia.
Defn: An extensive order of rhizopods which generally have a chambered calcareous shell formed by several united zooids.
Defn: An order of fresh-water rhizopodshaving a more or less globular form, with slender radiating pseudopodia; the sun animalcule.
Defn: An extensive division of rhizopods in which the pseudopodia are more or less slender and coalesce at certain points, forming irregular meshes.
Among the Vienna foraminifera, the genus Amphistegina (Figure 147) is very characteristic, and is supposed by d'Archiac to take the same place among the Rhizopods of the Upper Miocene era which the Nummulites occupy in the Eocene period.
The rhizopods are found both in fresh and salt water.
The entire organism of the protozoon (the rhizopods of the infusoria) remains throughout life a single simple cell (or occasionally a loose colony of cells without the formation of tissue, a coenobium).
Among the simplest fresh-water protozoa are the arcellina or thecolobosa (difflugia, arcella), little rhizopods that are distinguished from the naked amoebae by the possession of a firm envelope.
The great class of the rhizopods is distinguished by the fact that their naked plasma body can take in ready-formed solid food at any point of its surface.
Most of the ciliated infusoria and many of the rhizopods (amoeba) are cathodically sensitive or negatively galvanotactic.
Most of the organisms which I comprised under this name exhibited the same movements as true rhizopods (or sarcodina).
This secretory locomotion is found, among the protophyta, in the desmidiacea and diatomes, and in some of the gregarinae and rhizopods among the protozoa.
As in these calcareous Rhizopods also the peculiar growth of the siliceous Streblemida begins from a primordial chamber to which a variable number of roundish chambers (of increasing size) is apposed.
The Rhizopods are found both in fresh and salt water, but the marine forms are by far the more numerous.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "rhizopods" in a variety of sentences. We hope that you will now be able to make sentences using this word.
