Q:

Can frogs grow back lost limbs?

A:

Quick Answer

Tadpoles are baby frogs that have the impressive ability to regenerate, or regrow, lost limbs. Adult frogs do not have this ability, and the reason why remains unknown.

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Can frogs grow back lost limbs?
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Full Answer

Other animal species also have the ability to regenerate. Salamanders are amphibians, like tadpoles, that are able to regenerate parts of the spine. If the spinal cord is overly damaged or removed, the tail doesn't regenerate. Lizards are reptiles that are able to regenerate their tails after voluntarily disconnecting them from their bodies in response to a defense mechanism. During regrowth, bones are replaced with cartilage. Some species also have the ability to regenerate internal organs.

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    Do frogs have gills?

    A:

    All frogs begin their lives as tadpoles that breathe underwater using their skin and gills. As the frog grows, lungs begin to develop and the frog loses its gills at it begins to metamorphose.

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    How do frogs sleep?

    A:

    Though additional research is still needed, based on a study published in Volume 22, Issue 2 of the Electroencephalography and Clinical Neurophysiology journal, their observed behavior suggests that frogs do not sleep in the same way that mammals do. Many species of frogs are only active at night, spending the daylight hours sitting motionless in safe, moist hiding spots, such as under logs. However, rather than normal sleep cycles, the frogs observed seem to stay in a state of alertness during these "rest" periods.

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    How do frogs mate?

    A:

    When it is time to mate, frogs assemble at a body of water. Males arrive first and call females to the site. In the reproductive act, the male mounts the female and fertilizes the eggs as the female releases them. In some species, the adults then abandon the eggs.

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    Where do frogs hibernate?

    A:

    Where frogs hibernate depends on the species, with terrestrial types burrowing underground or hiding in logs and rocks, and aquatic types hibernating underwater. Unlike some turtle species, aquatic frogs do not hibernate in mud below the water's surface. They are more likely to sit or periodically swim atop it.

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