Question
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?
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Solution
The correct option is A Cartilaginous - Chondrichthyes
Chondrichthyes is a class that contains the cartilaginous fishes.
Not all mammals are viviparous, the platypus is an egg laying mammal.
Lampreys are fish which belong to the phylum Chordata but they are jawless fishes.
Not all reptiles have one incompletely divided ventricle, crocodiles have a four chambered heart.
Chondrichthyes is a class that contains the cartilaginous fishes.
Not all mammals are viviparous, the platypus is an egg laying mammal.
Lampreys are fish which belong to the phylum Chordata but they are jawless fishes.
Not all reptiles have one incompletely divided ventricle, crocodiles have a four chambered heart.
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