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Difference Between Amphibians And Reptiles: Explained

Distinctions between amphibians and reptiles, two classes of vertebrate animals. Amphibians, known for their dual life stages and moist skin, undergo metamorphosis from aquatic larvae to terrestrial adults. In contrast, reptiles, including snakes, turtles, and lizards, are typically terrestrial with scaly skin. Understanding these differences in habitat, physiology, and life cycle sheds light on the diversity of the animal kingdom and their ecological roles in various ecosystems.

In this article, we will cover the difference between amphibians and reptiles in this article.

Difference-Between-Amphibians-And-Reptiles

Difference Between Amphibian and Reptiles

What are Amphibians?

Amphibians are cold-blooded vertebrates that typically start life in water with gills and later develop lungs for breathing air as adults. They have moist, permeable skin and undergo metamorphosis, with examples including frogs, toads, and salamanders. Amphibians, crucial for ecosystems, undergo metamorphosis from aquatic larvae to terrestrial adults. Frogs, toads, salamanders, and newts inhabit diverse habitats, playing vital roles as predators and prey.

Also Read: Predator

What are Reptiles?

Reptiles, a diverse class of vertebrate animals, are characterized by their scaly skin and terrestrial habitats. They include snakes, turtles, lizards, and crocodilians, inhabiting various environments worldwide, from deserts to rainforests. Reptiles are ectothermic, relying on external sources of heat to regulate their body temperature. Known for their diverse adaptations and predatory behaviors, reptiles play crucial roles in ecosystems as both predators and prey, contributing to biodiversity and ecosystem balance.

Also Read: Difference Between Endotherms and Ectotherms

Difference Between Amphibians and Reptiles

The major differences between amphibians and reptiles are given below:

Characteristics

Reptiles

Amphibians

Definition

Reptiles are cold blooded, vertebrate animals who possess dry, scaly skin and lay shelled eggs on the land

Amphibians are cold-blooded, vertebrate animals who possess an aquatic gill-breathing larval stage and terrestrial, lung-breathing adult stages

First Evolution About 315 million years ago About 370 million years ago.
Size Larger Smaller

Skin

Dry, Scaly Skin

Soft moist skin

Claws

Has claws

Lack claws

Habitat

Can live far away from water, even in deserts

Need to live close to water as they need their skin to be wet to be able to breathe a while

Adult Stage Young reptile hatches from its egg it looks more like a small adult and can already defend and feed oneself Amphibians have a larval stage before becoming an adult which usually a fish-like with gills and tails
Brain Larger Smaller
Fertilization Internal External
Eggs Hard, shelled eggs Soft, shell-less eggs
Examples Crocodiles, snakes, lizard and turtles etc. Frogs and toads, salamanders, Caecilian etc.

Similarities Between Amphibians And Reptiles

The similarities between amphibians and reptiles are:

  • Both are cold-blooded (ectothermic) animals.
  • Both belong to the phylum Chordata and subphylum Vertebrata.
  • Both have a backbone and an internal skeleton.
  • Both rely on external environmental conditions to regulate their body temperature.
  • Both have a three-chambered heart (with some exceptions in reptiles).
  • Both undergo a form of external fertilization (in many amphibians) or internal fertilization (in most reptiles).
  • Both have adaptations for living on land, though amphibians need a moist environment.

Conclusion – Difference Between Amphibians And Reptiles

In conclusion, while amphibians and reptiles share some similarities as cold-blooded vertebrates with backbones and three-chambered hearts, they differ significantly in their skin types, reproductive strategies, and life cycles. Amphibians have moist, permeable skin and undergo metamorphosis, starting life in water, while reptiles possess dry, scaly skin and lay hard-shelled eggs, living primarily on land. Understanding these differences between amphibian and reptiles highlights the diverse adaptations these two groups have evolved to thrive in their respective environments.

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FAQs on Difference Between Amphibians And Reptiles

What is the Main Difference Between Amphibians and Reptiles?

The main difference is that amphibians have a dual life, starting in water and often moving to land, while reptiles are primarily land-dwellers with dry, scaly skin.

What is the Difference Between the Heart of Amphibians and Reptiles?

Amphibians typically have a three-chambered heart with two atria and one ventricle, while most reptiles have a similar structure but with partial separation in the ventricle, improving oxygenated and deoxygenated blood separation.

What are 5 Characteristics of Amphibians?

The 5 characteristics of amphibians are: moist, permeable skin, life cycle includes both aquatic and terrestrial stages, lay eggs in water, undergo metamorphosis from larvae to adults and the presence of three-chambered heart.

What are the 5 Difference Between Amphibians and Reptiles?

Amphibians have moist, permeable skin, whereas reptiles have dry, scaly skin. Amphibians need water for breeding and undergo metamorphosis, while reptiles reproduce on land and do not metamorphose. Amphibians lay jelly-like eggs in water, while reptiles lay hard or leathery eggs on land. Amphibians can breathe through skin and lungs, but reptiles primarily use lungs.

Is a Crocodile an Amphibian?

No, a crocodile is not an amphibian; it is a reptile, specifically a member of the order Crocodylia.




Reffered: https://www.geeksforgeeks.org


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