Multiple choice

Which one of the following glands is homologous to the salivary gland of vertebrates?

  1. Poison gland of snakes

  2. Sebaceous gland of mammals

  3. Salt gland of birds

  4. Poison gland of a toad
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The poison glands of snakes are modified salivary glands (specifically the parotid glands). This homology is a well-documented evolutionary adaptation in venomous snakes.

Keep practicing — related questions