In an Effort to Measure the Size of a Bluegill

question 8

Multiple Choice

In an effort to measure the size of a bluegill population in a pond, you capture 40 bluegills and mark each with a tag on the tail fin and then release them. A week later you return to the pond and catch 40 more, of which 8 have a tag on the tail fin. What is the best estimate of the bluegill population in the pond?

• A) 100
• B) 160
• C) 200
• D) 320
• E) 400

---

Definitions:

Oceans Salty

The condition of seawater having high concentrations of dissolved salts, primarily sodium chloride, resulting from processes such as rock weathering and volcanic activity.

Chemical Elements

Substances consisting of atoms which have the same number of protons in their atomic nuclei, representing the simplest forms of matter that cannot be broken down using chemical reactions.

Weathering

The process by which rocks and minerals break down into smaller particles through physical or chemical means.

Gentle Slope

A terrain feature with a relatively mild incline, often found in hills, plains, and other landforms, facilitating easier movement and agriculture.