Which one of the following characteristics is common to both in humans and adult frogs?

Which one of the following characteristics are common to both in humans and adult frogs?

(a) Four – chambered heart
(b) Internal fertilization
(c) Nucleated RBC s
(d) Ureotelic mode of excretion.

Ureotelic mode of excretion.

Adult frog and human exhibit ureotelism because their excretory waste product is urea.

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