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  • Can someone help me with this, Which of the following characteristic features always holds true for the corresponding group of animals?

Which of the following characteristic features always holds true for the corresponding group of animals?

  • Option 1)

    Cartilaginous endoskeleton

    Chondrichthyes

     

  • Option 2)

    Viviparous

    Mammalia

     

  • Option 3)

    Possess a mouth with an upper and a lower jaw

    Chordata

     

  • Option 4)

    3-chambered heart with one incompletely divided ventricle

    Reptilia

     

 

Answers (1)

best_answer

 

Heart in reptilia -

Usually 3-chambered but four chambered in crocodiles.

-

 

 Reptiles have 3-chambered heart except for crocodiles.

 Mammals are viviparous except prototherian mammals.


Option 1)

Cartilaginous endoskeleton

Chondrichthyes

 

Correct

Option 2)

Viviparous

Mammalia

 

Incorrect

Option 3)

Possess a mouth with an upper and a lower jaw

Chordata

 

Option 4)

3-chambered heart with one incompletely divided ventricle

Reptilia

 

Posted by

Plabita

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