Tadpole - Wikipedia
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.
Tadpole | Definition, Gills, & Facts | Britannica
2024年11月6日 · Tadpole, aquatic larval stage of frogs and toads. Compared with the larvae of salamanders, tadpoles have short oval bodies with broad tails, small mouths, and no external gills. The internal gills are concealed by a covering known as an operculum.
The Frog Life Cycle for Kids - National Geographic Kids
Now, the baby frogs are known as tadpoles. They have gills, a mouth, and a long tail, which they need for swimming! DID YOU KNOW? The tadpole stage of the frog life cycle is also known as the larval stage. Tadpoles are frog larvae, in the same way that caterpillars are butterfly larvae!
The Complete Frog Life Cycle - Egg, Tadpole, Frog - AnimalWised
2024年3月29日 · Frogs undergo a fascinating metamorphosis, not a traditional birth. Within a few weeks of the fertilization, the eggs hatch into young larvae, called tadpoles. These exclusively aquatic creatures have gills for breathing underwater and a tail for swimming.
Amphibian - Larvae, Metamorphosis, Adaptations | Britannica
2024年12月6日 · Amphibian - Larvae, Metamorphosis, Adaptations: Amphibian larvae (called tadpoles for frogs and toads) have a free-living existence while completing embryonic development and growth. The larvae transform from embryo to juvenile by the process of metamorphosis.
Tadpoles: Larvae of Frogs and Toads - Owlcation
2012年5月19日 · Tadpoles are the larval stages of frogs and toads. Amphibians differ from most other vertebrates (higher organisms with a backbone) in that their eggs develop into a larval stage, known as a tadpole. The word comes from the …
The Transformation Of Tadpoles: The Journey From Aquatic Larvae …
2024年5月19日 · Life Cycle of Tadpoles: From Eggs to Aquatic Larvae. The life cycle of a tadpole is a fascinating process that showcases the incredible transformation of these tiny aquatic creatures into fully-formed frogs or toads.
The Frog Life Cycle - Developmental Biology - NCBI Bookshelf
Metamorphosis of the tadpole larva into an adult frog is one of the most striking transformations in all of biology . In amphibians, metamorphosis is initiated by hormones from the tadpole's thyroid gland, and these changes prepare an aquatic organism for a terrestrial existence.
Tadpole - Simple English Wikipedia, the free encyclopedia
A tadpole or polliwog is the larva of a frog. It breathes water and lives in the water. Tadpoles hatch from small eggs. Frog eggs are round and toad eggs are laid in long strings. Like bird eggs, they have nutrients (food) inside them for the young animal to grow before it hatches.
Tadpole - Detailed Explanation and FAQs - Vedantu
When a tadpole larva or the frog larva hatches from the egg, it uses its tail to swim in the water. On the underside, the tadpole has a mouth that is used to scrape tiny green plants called the algae from the surfaces of rocks and plants.