Which of the Following Is Not a Derived Trait of Chordates

question 200

Multiple Choice

Which of the following is not a derived trait of chordates?

• A) Tail that extends beyond the anus
• B) Notochord
• C) Dorsal hollow nerve chord
• D) Pharyngeal slits
• E) Internal calcified skeleton

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Definitions:

Oligopolistic Market

A market structure characterized by a small number of firms that dominate the market, often leading to limited competition.

Regional Monopoly

A regional monopoly exists when a single firm dominates the market for a particular good or service in a geographic area.

Herfindahl-Hirschman Index

A measure of market concentration that squares and then sums the market shares of all firms within an industry, indicating the level of competition.

Game Theory

A theoretical framework for conceiving social situations among competing players and for predicting their choices of strategic actions.