Question

Порівняння риб, анфібій та рептилій ​

Answer 1

Ответ:

Земново́дні[1], або амфібії (Amphibia), — найменший за кількістю видів (понад 6 тисяч[2]) клас наземних хребетних (Tetrapoda). В Україні мешкає 20 видів. У процесі еволюції стали першими наземними хребетними.

Плазуни́, або репти́лії (Reptilia) — традиційний клас хребетних тварин, частина клади завропсидів. Представники класу не утворюють клади, і тому сучасні кладистичні класифікації не розглядають плазунів як таксон[1], хоча згідно з іншими класифікаціями він не скасований. Представники групи — холоднокровні тварини з розмірами тіла від декількох сантиметрів до 10 м. У світі відомо близько 8 тисяч видів плазунів[2].

Answer 2

Comparison of Fish, Amphibians, and Reptiles

Fish, amphibians, and reptiles are all members of the animal kingdom, but they belong to different classes and have distinct characteristics. Let's compare these three groups in terms of their key features:

Fish: - Fish are aquatic vertebrates that live in water throughout their lives. - They have gills for respiration, which allow them to extract oxygen from water. - Most fish have scales covering their bodies, which provide protection. - They have fins that help them swim and maneuver in water. - Fish are ectothermic, meaning their body temperature is regulated by the environment. - They reproduce by laying eggs, and their young hatch from these eggs. - Examples of fish include salmon, tuna, and goldfish.

Amphibians: - Amphibians are cold-blooded vertebrates that live both in water and on land. - They have moist, permeable skin that allows them to breathe through their skin. - Most amphibians undergo metamorphosis, starting their lives as aquatic larvae and then transforming into terrestrial adults. - They have limbs with webbed feet, which are adapted for both swimming and walking. - Amphibians lay eggs in water, and their young undergo a larval stage before becoming adults. - Examples of amphibians include frogs, toads, and salamanders.

Reptiles: - Reptiles are cold-blooded vertebrates that are primarily terrestrial. - They have dry, scaly skin that helps prevent water loss. - Reptiles breathe air using lungs. - They have limbs (except for snakes) that are adapted for walking or crawling on land. - Reptiles lay eggs on land, and their young hatch from these eggs. - Examples of reptiles include snakes, lizards, turtles, and crocodiles.

In summary, fish are exclusively aquatic animals with gills and scales, amphibians are cold-blooded animals that live both in water and on land and undergo metamorphosis, and reptiles are primarily terrestrial animals with dry, scaly skin.