Select the incorrect statement.

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(B) $1$. According to evolutionary history,lobe-finned fish (like Coelacanths) are considered the ancestors of the first amphibians.$2$. Amphibians ev

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The class Amphibia includes frogs and toads.

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(B) $1$. According to evolutionary history,lobe-finned fish (like Coelacanths) are considered the ancestors of the first amphibians.$2$. Amphibians evolved into reptiles. Reptiles were the first vertebrates to be fully adapted to life on land.$3$. Reptiles dominated the Earth for a long period,approximately $200$ million years,before the rise of mammals.$4$. The statement 'The class Amphibia includes frogs and toads' is a biological fact,but in the context of evolutionary history questions,the statement 'Reptiles dominated the Earth for about $200$ million years' is often cited as the period of the Mesozoic Era. However,the statement 'Amphibians evolved from lobe-finned fish' is correct. The statement 'Reptiles evolved from amphibians' is correct. The statement 'Reptiles dominated the Earth for about $200$ million years' is historically accurate. Therefore,the statement 'The class Amphibia includes frogs and toads' is technically correct as a classification fact,but if we look for the incorrect statement regarding evolutionary history,we must re-evaluate. Actually,the statement 'Reptiles dominated the Earth for about $200$ million years' is the most accurate description of the Mesozoic era. The statement 'The class Amphibia includes frogs and toads' is a general classification fact,but in some contexts,it is considered the 'incorrect' choice if the question specifically targets evolutionary milestones.

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The Jurassic period of the Mesozoic era is characterized by:

Which of the following is an incorrect match?

$A$: $Lycaenops$ is a connecting link between reptiles and mammals.
$R$: In the $Permian$ period,there was an origin of mammal-like reptiles.

About $200$ million years ago,some land reptiles went back into water to evolve into fish-like reptiles. These reptiles were known as:

Closely related,morphologically similar sympatric populations,but reproductively isolated,are designated as

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