(Animals) the aquatic larva of frogs, toads, etc, which develops from a limbless tailed form with external gills into a form with internal gills, limbs, and a reduced tail [C15taddepol,fromtaddetoad +polhead, poll] Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 ©...
The meaning of TADPOLE is a larval amphibian; specifically : a frog or toad larva that has a rounded body with a long tail bordered by fins and external gills soon replaced by internal gills and that undergoes a metamorphosis to the adult.
Tadpole, also called polliwog,aquatic larval stage of frogs and toads. Compared with the larvae of salamanders, tadpoles have short, oval bodies, with broad tails, small mouths, and noexternal gills external gills External gills are thegills of an animal, most typically an amphibian, that are ...
withexternal gills(three pairs). Terrestrial forms begin to resorb the gills as metamorphosis reaches completion.Neotenyoccurs in some species (AmbystomamexicanumandNecturus maculosus). This is the process in which the internal organs mature and allow reproduction while the external features remain larval...
In this stage it breathes by means of external or internal gills, is at first destitute of legs, and has a finlike tail. Called also polliwig, polliwog, porwiggle, or purwiggy. noun (Zoöl.), Local, U. S. The hooded merganser. noun (Zoöl.) See Forkbeard (a). from Wiktionary,...
On both sides of the head withexternal gills, with respiratory function. The tail is large and flat,segmented tail muscle, the sarcomere below a film shaped on the caudal fin, canhelp the tadpoles swimming in the water. The mouth appears, with horny tooth lipscraping eat algae in the ...
蝌蚪蝌蚪是蛙、蟾蜍、蝾螈、鲵等两栖类动物的幼体，刚孵化出来的蝌蚪，身体呈纺锤形，无四肢、口和内鳃，生有侧扁的长尾，头部两侧生有分枝的外鳃，吸附在水草上，靠体内残存的卵黄供给营养。 基本资料 学名：蝌蚪 拼音 kedou 英文名：tadpole 拉丁文 Rana limnocharis Boie、R.Plancyi Lataste R....
Compared with the larvae of salamanders, tadpoles haveshort, oval bodies, with broad tails, small mouths, and no external gills. The internal gills are concealed by a covering known as an operculum. Do tadpoles count as fish? Tadpoles are born with gills,just like a fish, so that they can...
In this stage it breathes by means of external or internal gills, is at first destitute of legs, and has a finlike tail. Called also polliwig, polliwog, porwiggle, or purwiggy. 2. (Zo["o]l.) The hooded merganser. [Local, U. S.] Tadpole fish. (Zo["o]l.) See Forkbeard (a)...
During thetadpolestageof the amphibian life cycle, most respire by means of autonomous external or internal gills. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It has direct development, that is, it breeds without free-livingtadpolestage. ...