Chalcides ocellatus

Plazy sú chladnokrvné živočíchy, patriace bez stavovce. Ich latinské pomenovanie je Reptilia. Sú morfologicky veľmi rozdielne, rovnako aj v správaní a ekológii. Ich telesná teplota závisí od vonkajšieho prostredia, preto sa vystavujú slnku. Väčšina plazov má kožu pokrytú šupinami, poskytujú telu ochranu a pomáhajú udržiavať vlhkosť. Plazy dýchajú pľúcami, niektoré dýchajú aj kožou – hady. Vyskytujú sa v rôznych prostrediach, v lesoch, na lúkach, v púšti, vo vode atď. Väčšina kladie vajcia, ale existujú aj živorodé druhy. Niektoré sú mäsožravce, iné bylinožravce, resp. všežravce. Niektoré žijú solitérne, iné tvoria sociálne skupiny. Majú dobre vyvinuté zmysly, zrak, sluch, čuch. Napr. hady majú špeciálne orgány, ktoré cítia teplo. Medzi plazy patria hady, jaštery, korytnačky, krokodíly.

Reptiles are cold-blooded vertebrates belonging to the class Reptilia. They exhibit significant morphological diversity, as well as variations in behavior and ecology. Their body temperature is dependent on the external environment, leading them to bask in the sun for temperature regulation. Most reptiles have skin covered in scales, providing protection and aiding in moisture retention. Reptiles primarily breathe through lungs, while some, such as snakes, also respire through their skin.

They inhabit various environments, including forests, meadows, deserts, and aquatic habitats. Reptiles display diverse reproductive strategies, with many laying eggs, while others give birth to live young. Their diets vary, with some being carnivorous, others herbivorous, and some omnivorous. Social behavior ranges from solitary to forming social groups. Reptiles possess well-developed senses such as sight, hearing, and smell. Snakes, for instance, have specialized organs for detecting heat. Examples of reptiles include snakes, lizards, turtles, and crocodiles.

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