Heart is perfectly four chambered in:

Varanus

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Snake

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Garden lizard

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Crocodile

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Solution

The correct option is C Crocodile
The heart is perfectly four-chambered in only avians, mammals and crocodiles.
A) Varanus is the monitor lizard. Since it is a reptile, it has a three-chambered heart.
B) Since snakes are reptiles, they have a three-chambered heart.
C) Garden lizard is a reptile and has a three-chambered heart.
D) Crocodile is a reptile but is an exception and has a four-chambered heart.
So, the answer is 'Crocodile.'

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Similar questions

Which one of the following sets of animals share a four chambered heart?

(a) Amphibian, Reptiles, Birds

(b) Crocodiles, Birds, Mammals

(d) Lizards, Mammals, Birds

The four-chambered heart is found in

Draco

Hemidactylus

Tortoises and turtles

Crocodile

Four chambered heart is found in

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