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Question
Which of the following is or are not associated with the order Crocodilia?
Which of the following is or are not associated with the order Crocodilia?
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Solution
The correct option is B Teeth are thecodont
Crocodiles belong to the order Crocodilia which includes large, predatory, semi-aquatic reptiles. They have long flattened snouts, laterally compressed tails and eyes, ears and nostrils at the top of the head. They all have a four-chambered heart. They are polyphyodont. They are capable of replacing their 80 teeth (approximately) upto 50 times in their 35-75 years lifespan. They have spongy lungs. However, they are generally found in freshwater like swamps, estuaries etc.
Therefore, the correct answer is option C.
Crocodiles belong to the order Crocodilia which includes large, predatory, semi-aquatic reptiles. They have long flattened snouts, laterally compressed tails and eyes, ears and nostrils at the top of the head. They all have a four-chambered heart. They are polyphyodont. They are capable of replacing their 80 teeth (approximately) upto 50 times in their 35-75 years lifespan. They have spongy lungs. However, they are generally found in freshwater like swamps, estuaries etc.
Therefore, the correct answer is option C.
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