Mammals:
Mammals are the vertebrate animals which lie in the class Mammalia. The mammalian brain regulates body temperature and the circulatory system, including the four-chambered heart. Their basic body type is a four- legged land –borne animal, but some mammals have two legs.
Reptiles:
Reptiles are an evolutionary grade of animals which consists of turtle, crocodilians, snakes, lizards and others. The study of reptiles, historically combined with that of amphibians, is called herpetology. Reptile does not need to as the hatching can fend for themselves.
Differences:
Basis | Mammals | Reptiles |
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Definition (www.oxforddictionaries.com) | A warm-blooded vertebrate animal of a class that is distinguished by the possession of hair or fur, females that secrete milk for the nourishment of the young, and (typically) the birth of live young. | A vertebrate animal of a class that includes snakes, lizards, crocodiles, turtles, and tortoises. They are distinguished by having a dry scaly skin and typically laying soft-shelled eggs on land. |
Synonyms | Creature, breast, and vertebrate | Skunk, wretch, coward, cheater and dastard |
Antonyms | Dinosaur | |
Types | Its types are:
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Its types are:
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History | After the dinosaurs were wiped out by a massive meteor strike 65 million years ago, tiny mammals ruled the Earth. But they quickly evolved to be as big as dinosaurs, and then evolved to be smaller again. | Reptiles arose about 310–320 million years ago during the Carboniferous period. |
Word origin | It was originated in Early 19th century: anglicized form (first used in the plural) of modern Latin mammalia. | It was originated from the Late Middle English: from late Latin, neuter of reptilis, from Latin rept- ‘crawled’, from the verb repere. |
Birth | Mammals give birth to a live offspring. | Reptiles lay eggs. |
Have | Mammals have furs or hairs. | Reptiles have scales. |
Feed | Reptiles have scales. | Reptile does not need to as the hatching can fend for themselves. |
Animal type | Mammals are warm-blooded animals. | Reptiles are cold blooded creatures. |
Metabolic rate | It has high metabolic rate. | It has high metabolic rate. |
Pronunciation |
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Growth | Growth limited after adulthood. | Growth continues through life. |
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