Which of the following characteristic features always holds true for the corresponding group of animals? .tg {border-collapse:collapse;border-spacing:0;width:100%} .tg td{font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:black;} .tg th{font-family:Arial, sans-serif;font-size:14px;font-weight:normal;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:black;} .tg .tg-pjk9{font-size:22px;text-align:left}

Question

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

Possess a mouth with an upper and a lower jaw	Chordata

3-chambered heart with one incompletely divided ventricle	Reptilia

Cartilaginous endoskeleton	Chondrichthyes

Viviparous	Mammalia

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