tadpole
میں Tadpole
definition
noun
Early in its development a tadpole breathes with gills.
the tailed aquatic larva of an amphibian (frog, toad, newt, or salamander), breathing through gills and lacking legs until its later stages of development.
example
Frogs were not symbols of death but, on the contrary, of rebirth and renewal, because of its remarkable metamorphosis of egg into tadpole and from 'tadpole' into frog.
Early in its development a 'tadpole' breathes with gills.
One of the characteristics of amphibians is metamorphosis; when the larva or 'tadpole' living in water and breathing with gills develops into an adult, it leaves the aquatic environment and breathes with lungs like a land animal.
Young amphibians, like the larval frog or 'tadpole' pictured here, spend their early years in the water, breathing through gills in the side of their head in much the same way as fish do.
He'd always bring a jar of the stuff in and we'd have lessons where we'd document the life of the frog by watching the frog spawn hatch and metamorphose from 'tadpoles' to frogs.
Most 'tadpoles' are suspension feeders, filtering out tiny particles while continuously pumping water.
Many familiar animals have a larval form: caterpillars turn into butterflies, and 'tadpoles' into frogs.
We have observed that green frog 'tadpoles' react less strongly to predators at very low resource levels.
Toad 'tadpoles' appear to be distasteful to many predators, and, perhaps as a result of this, are much more often to be seen in open water than those of the common frog.
They will also prey on crayfish, frogs, 'tadpoles' , and other aquatic dwellers.
The cells divide and change until they have a head and short tail, like 'tadpoles' .
Whooping crane young are fed dragonfly larvae, insects and 'tadpoles' , Johns said.
Inside the pouch, the 'tadpoles' live on the yolk leftover from their hatching.
Just before metamorphosis, the 'tadpoles' weigh only a fraction of an ounce.
Biologists now find that slightly elevated UV exposure reduces the chance that 'tadpoles' will become frogs.
The young snakes prey on recently hatched steelhead trout and chinook salmon and on the 'tadpoles' of yellow-legged frogs.
As the 'tadpoles' become frogs, the gills initially used to breathe are replaced with lungs.
These species tend to have shorter larval periods on average when compared to 'tadpoles' that develop in more permanent ponds.
In amphibian 'tadpoles' , however, the function of the axial muscles appear to be for lateral bending alone.
In several species, a parent remains with the non-feeding 'tadpoles' at the nest.
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