Biology about frogs

A class of cold-blooded vertebrate animals (including frogs, toads, salamanders, and newts) that typically begin their lives in water and later live on land as adults.

The process of transformation from an immature form (larva, e.g., tadpole) to an adult form in two or more distinct stages.

Referring to an animal whose body temperature is regulated externally, meaning it depends on external sources of heat; often called cold-blooded.

A transparent or translucent third eyelid present in some animals, including frogs, that can be drawn across the eye for protection and to moisten it while maintaining vision.

The mating embrace of frogs and toads, where the male grasps the female from behind, typically around the chest or waist, to fertilize the eggs as they are laid.

A common cavity at the end of the digestive tract for the release of excretory and generative products in most vertebrates (except most mammals) and certain invertebrates. Frogs have a cloaca.

The external eardrum of a frog, located behind the eye, which vibrates in response to sound waves and transmits them to the inner ear.

The ability of frogs to absorb oxygen directly through their moist, permeable skin, supplementing or even replacing lung respiration, especially underwater.

The aquatic, immature stage of a frog's life cycle, typically characterized by gills for breathing, a tail for swimming, and herbivorous feeding habits.

A long, sticky tongue in frogs that can be rapidly extended out of the mouth to catch insects and other prey, then retracted back into the mouth.