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tadpole

tadpole

tadpole Sentence Examples

  • TADPOLE, a term often, but wrongly, applied indiscriminately to all Batrachian larvae.

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  • In accordance with this view there would be also some probability in favour of regarding the collar nerve-tube of the Enteropneusta as the equivalent of the cerebral vesicle only of Amphioxus and the Ascidian tadpole, and also of the primary forebrain of vertebrates.

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  • It is absurd to call the larva of a newt or of a Caecilian a tadpole, nor is the free-swimming embryo of a frog as it leaves the egg a tadpole.

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  • Erasmus Darwin, the grandfather of Charles Darwin, set forth ',in' Zoonomia a much more definite theory of the relation of variation to evolution, and the following passage, cited by Clodd, clearly expresses it: "When we revolve in our minds the metamorphoses of animals, as from the tadpole to the frog; secondly, the changes produced by artificial cultivation, as in the breeds of horses, dogs and sheep; thirdly, the changes produced by conditions of climate and season, as in the sheep of warm climates being covered with hair instead of wool, and the hares and partridges of northern climates becoming white in winter; when, further, we observe the changes of structure produced by habit, as shewn especially by men of different occupations; or the changes produced by artificial mutilation and prenatal influences, as in the crossing of species and production of monsters; fourth, when we observe the essential unity of plan in all warmblooded animals - we are led to conclude that they have been alike produced from a single living filament."

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  • The hind limbs appear as buds at the base of the tail, and gradually attain their full development during the tadpole life.

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  • A tadpole is the larva of a tailless Batrachian after the loss of the external gills and before the egress of the fore limbs (except in the aberrant Xenopus) and the resorption of the tail.

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  • In the former case the larva creeps along the tadpole until it reaches the branchial opening into which it darts, fixes its sucker, and then throws off its cilia.

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  • The tadpole of the North American bull-frog measures six inches, and that of the Chilian Calyptocephalus gayi seven and a half inches.

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  • If in the course of the first twenty-four hours this larva meet with a tadpole it attaches itself at once and undergoes further development.

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  • The entire revolution which much of his policy underwent in order to effect this object bears too close a resemblance to the sudden and inexplicable changes of front habitual to placemen of the Tadpole 'stamp to be altogether pleasant to contemplate in a politician of pure aims and lofty ambition.

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  • The entire revolution which much of his policy underwent in order to effect this object bears too close a resemblance to the sudden and inexplicable changes of front habitual to placemen of the Tadpole 'stamp to be altogether pleasant to contemplate in a politician of pure aims and lofty ambition.

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  • Palaeobatrachus (26), of which a number of species represented by skeletons of the perfect form and of the tadpole have been described from Miocene beds in Germany, Bohemia and France, seems to be referable to the Pelobatidae; this genus has been considered as possibly one of the Aglossa, but the absence of ribs in the larvae speaks against such an association.

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  • When the time for eclosion has come, the male enters the water with his burden; the larvae, in the full tadpole condition, measuring 14 to 17 millimetres, bite their way through their tough envelope, which is not abandoned by the father until all the young are liberated, and complete in the ordinary way their metamorphosis.

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  • When the time for eclosion has come, the male enters the water with his burden; the larvae, in the full tadpole condition, measuring 14 to 17 millimetres, bite their way through their tough envelope, which is not abandoned by the father until all the young are liberated, and complete in the ordinary way their metamorphosis.

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  • tadpole larvae are often present in plankton catches.

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  • tadpole's tail is eventually lost by being absorbed into the body.

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  • What characterizes a tadpole is the conjoined globular head and body, so formed that it is practically impossible to discern the limit between the two, sharply set off from the more or less elongate compressed tail which is the organ of propulsion.

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  • There is no difficulty whatever in regarding Hydra as bearing the same relation to the actinula-stage of other Hydromedusae that a Rotifer bears to a trochophore-larva or a fish to a tadpole.

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  • newt tadpole looks more like the adult form, unlike frog or toad juveniles which do not.

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  • I see my fairy shrimps and tadpole shrimps avoid nets, or thrash when a predator bites them.

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  • tadpole shrimps avoid nets, or thrash when a predator bites them.

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  • tadpole stage.

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  • The newt tadpole looks more like the adult form, unlike frog or toad juveniles which do not.

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  • These are also very small organisms and strongly resemble the " tadpole " larval stage of the sessile tunicates.

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  • There is no difficulty whatever in regarding Hydra as bearing the same relation to the actinula-stage of other Hydromedusae that a Rotifer bears to a trochophore-larva or a fish to a tadpole.

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  • TADPOLE, a term often, but wrongly, applied indiscriminately to all Batrachian larvae.

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  • It is absurd to call the larva of a newt or of a Caecilian a tadpole, nor is the free-swimming embryo of a frog as it leaves the egg a tadpole.

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    0
  • A tadpole is the larva of a tailless Batrachian after the loss of the external gills and before the egress of the fore limbs (except in the aberrant Xenopus) and the resorption of the tail.

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  • What characterizes a tadpole is the conjoined globular head and body, so formed that it is practically impossible to discern the limit between the two, sharply set off from the more or less elongate compressed tail which is the organ of propulsion.

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  • The hind limbs appear as buds at the base of the tail, and gradually attain their full development during the tadpole life.

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  • The tadpole of the North American bull-frog measures six inches, and that of the Chilian Calyptocephalus gayi seven and a half inches.

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  • Beddard, "Notes upon the Tadpole of Xenopus laevis," P.Z.S., 1894, p. tot; S.

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  • In accordance with this view there would be also some probability in favour of regarding the collar nerve-tube of the Enteropneusta as the equivalent of the cerebral vesicle only of Amphioxus and the Ascidian tadpole, and also of the primary forebrain of vertebrates.

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  • If in the course of the first twenty-four hours this larva meet with a tadpole it attaches itself at once and undergoes further development.

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  • In the former case the larva creeps along the tadpole until it reaches the branchial opening into which it darts, fixes its sucker, and then throws off its cilia.

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  • Sometimes the Polystomum-larva attaches itself to a young tadpole, and in that case grows so rapidly as to become mature in five weeks.

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  • Erasmus Darwin, the grandfather of Charles Darwin, set forth ',in' Zoonomia a much more definite theory of the relation of variation to evolution, and the following passage, cited by Clodd, clearly expresses it: "When we revolve in our minds the metamorphoses of animals, as from the tadpole to the frog; secondly, the changes produced by artificial cultivation, as in the breeds of horses, dogs and sheep; thirdly, the changes produced by conditions of climate and season, as in the sheep of warm climates being covered with hair instead of wool, and the hares and partridges of northern climates becoming white in winter; when, further, we observe the changes of structure produced by habit, as shewn especially by men of different occupations; or the changes produced by artificial mutilation and prenatal influences, as in the crossing of species and production of monsters; fourth, when we observe the essential unity of plan in all warmblooded animals - we are led to conclude that they have been alike produced from a single living filament."

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    0
  • Palaeobatrachus (26), of which a number of species represented by skeletons of the perfect form and of the tadpole have been described from Miocene beds in Germany, Bohemia and France, seems to be referable to the Pelobatidae; this genus has been considered as possibly one of the Aglossa, but the absence of ribs in the larvae speaks against such an association.

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  • They are less marked or more gradual in the Apoda and Caudata than in Ecaudata, in which the stage known as tadpole is very unlike the frog or toad into which it rather suddenly passes (see Tadpole).

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  • I see my fairy shrimps and tadpole shrimps avoid nets, or thrash when a predator bites them.

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  • There are some species that do not conform to the norm and may take up to 6 months to go through the tadpole stage.

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  • The tadpole larvae are often present in plankton catches.

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  • In some amphibians, such as frogs and toads, the tadpole 's tail is eventually lost by being absorbed into the body.

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  • These are also very small organisms and strongly resemble the " tadpole " larval stage of the sessile tunicates.

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  • The child will also start drawing people that resemble a tadpole or amoeba (a circle with arms and legs, and sometimes eyes).

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  • In this stage, the amoeba or tadpole people may have faces, hands, and even toes, but no bodies.

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  • Sometimes the Polystomum-larva attaches itself to a young tadpole, and in that case grows so rapidly as to become mature in five weeks.

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