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Edible frog

Edible frog

This animation demonstrates the anatomy of amphibians through the example of a common species of frogs.

Bioloģija

Atslēgvārdi

Varde, ēdama varde, kurkulis, ontogēnija, metamorfoze, ārējā apaugļošana, želeja, Ādas elpināšana, lipīga mēle, diennaktī, ziemas miegs, lekt no kājām, nepietiekami attīstītas plaušas, dzīvnieks, mugurkaulnieki, abinieku, plēsējs, Bioloģija

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Axolotl

The axolotl, also known as Mexican salamander, is an amphibian species that keeps its gills even in adulthood.

Common European viper

A species of venomous snakes widespread in Europe. Its bite is rarely fatal to humans.

European crayfish

A type of large freshwater crayfish widespread in Europe.

Freshwater pearl mussel

A species of mollusc widespread in freshwaters.

How do geckos' feet adhere to smooth surfaces?

Geckos can walk on walls or even ceilings. The 3D scene explains this ability.

Ichthyostega

A prehistoric amphibian and an early representative of the Tetrapods, which became extinct 360 million years ago.

Long-tailed mayfly

Larvae of this type of mayflies spend the first three years of their lives in water, their adult lives last for only one day which they use for mating.

Reed and bulrush

Cosmopolitan monocots inhabiting watersides.

The life cycle of vertebrates

The life cycle of vertebrates starts with the production of the reproductive cells of an individual and ends with the production of the reproductive cells...

Tiktaalik

A transitional form between fish and tetrapods, or four-limbed vertebrates.

Veiled chameleon

Chameleons are reptiles with an ability to change their colours.

Freshwater fishes

Many freshwater fishes are also popular as food.

Grass snake

A type of snake with a characteristic spot on its neck.

The reproduction and development of insects

Based on their life cycle, insects can be grouped into three categories: ametabolous, hemimetabolous or holometabolous insects.

West Indian Ocean coelacanth

Living fossil, important stage in the evolution of tetrapods.

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