While the Average Person Hears a Great Deal Throughout the Day

question 22

Short Answer

While the average person hears a great deal throughout the day, she processes ________ of what is said.

---

Definitions:

Placoderms

A group of extinct jawed fishes.

Extinct

The state in which a species no longer exists anywhere on Earth, often due to environmental changes, predation, or human activities.

Jawless Fish

A group of fish without jaws, such as hagfish and lampreys, representing early forms of vertebrate life.

Conodonts

Extinct, simple fishlike chordates with large eyes and tooth-like hooks; may have been early vertebrates.