Poison glands of snakes are homologous
Question
Poison glands of snakes are homologous to
Options
Option A
electric organs of fishes
Option B
stings of rays
Option C
sebaceous glands of mammals
Option D
salivary glands of vertebrates
Correct Option
Option D
Explanation
It is injected by unique fangs after a bite, and some species are also able to spit. The glands that secrete the zootoxins are a modification of the parotid salivary gland found in other vertebrates, and are usually situated on each side of the head, below and behind the eye, and encapsulated in a muscular sheath.
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