What Is the Significance of the Fossil Archaeopteryx

question 22

Multiple Choice

What is the significance of the fossil Archaeopteryx ?

• A) It establishes the time sequence of the transition from dinosaur to birds.
• B) The bones of this animal were the first to be used for radiometric dating, which allowed the absolute age of the fossil to be determined.
• C) It was the first fossil discovered from which both physiological and anatomical data could be gathered.
• D) It was the first reptile-bird fossil discovered and helped to establish the relationship between birds and dinosaurs.

---

Definitions:

Throat

The anterior part of the neck, housing the pharynx and vocal cords, and leading to the esophagus and larynx.

Pharynx

The muscular tube that connects the mouth and nasal passages with the esophagus and larynx, serving both respiratory and digestive functions.

Esophagus

The muscular tube connecting the throat (pharynx) with the stomach, responsible for moving swallowed foods and liquids.

Mouth

The opening in the body of most animals through which food is ingested.