Iguana is to lizard as vowel is to:

Answer:

D. Letter

This is an analogy question, testing your understanding of category relationships.

Let’s break it down:

→ So, "iguana" is a specific kind of the more general category "lizard."

We need to find what a vowel is a type of.

Let’s analyze:

→ A vowel is a type of letter, just like an iguana is a type of lizard.

✅ Final Answer: D. Letter