The Forelimb of a Bat and the Forelimb of a Bird

question 50

Multiple Choice

The forelimb of a bat and the forelimb of a bird are examples of ______ structures.

• A) analogous
• B) homologous
• C) vestigial
• D) homeotic
• E) heterologous

---

Definitions:

pH

A scale used to specify the acidity or basicity of an aqueous solution, with values typically ranging from 0 (acidic) to 14 (basic).

HCl

Hydrochloric acid, a strong corrosive acid that is a simple diatomic molecule consisting of hydrogen and chlorine, used in many industrial and scientific applications.

K

The elemental symbol for potassium, a metal that is essential for life and is used in a wide variety of industrial processes.