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A tadpole or polliwog (also spelled pollywog) is the larval stage in the biological life cycle of an amphibian. Most tadpoles are fully aquatic, though some species of amphibians have tadpoles that are terrestrial. Tadpoles have some fish-like features that may not be found in adult amphibians such as a lateral line, gills and swimming tails.
The life cycle is short. The tadpole-shaped larva usually performs the tail shift less than one day after fecundation, becoming fully functional juveniles. Adults usually reproduce after 5 to 7 days depending on the species. [11] Fertilisation is external. The body wall ruptures during egg release, killing the animal. [30]
Frogs have a two-stage life cycle, with the aquatic tadpole larva metamorphosing into the adult form. This tadpole was in the late stages of metamorphosis. Adults of this species are a similar ...
The life cycle of all amphibians involves a larval stage that is intermediate between embryo and adult. In most cases this larval stage is a limbless free-living organism that has a tail and is referred to as a tadpole, although in a few cases (e.g., in the Breviceps and Probreviceps genera of frogs) direct development occurs in which the larval stage is confined within the egg.
The quite muscular tadpoles are carnivorous and feature several rows of horned teeth. Adults feed on slugs , myriapods , spiders , beetles , and grasshoppers . The hairy frog is also notable in possessing retractable "claws", which it may project through the skin, apparently by intentionally breaking the bones of the toe. [ 5 ]
Eggs can hatch in under 30 hours and tadpoles can fully develop in one month. [13] They have wide caudal fins and two rows of labial teeth on the top of their mouths and four rows on the bottom. [14] Tadpoles survive on algae and will occasionally eat other tadpoles, [13] and on rare occasions, recently metamorphosed juveniles. [15]
Interesting Facts for Adults. 11. If you cut down a cactus in Arizona, it can result in a class 4 felony and up to 25 years in prison. ... Peanut oil is one of the key ingredients in dynamite. 26 ...
NYT Strands Spangram Answer Today. Today's spangram answer on Wednesday, January 8, 2025, is KITCHENREMODEL. What Are Today’s NYT Strands Answers, Word List for Wednesday, January 8? OVEN. SINK ...