Where Would You Place the Actual Extinction Date of a Taxon

question 34

Multiple Choice

Where would you place the actual extinction date of a taxon if you knew that the Signor-Lipps effect was at work?

• A) exactly at the date of the last-known fossil
• B) after the date of the last-known fossil
• C) before the date of the last-known fossil
• D) It is not possible to determine when extinction occurred relative to the date of the last-known fossil.

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Definitions:

Channel Economies

The cost savings and efficiency gains derived from using effective distribution channels to deliver products or services to consumers.

Centrally Coordinated

Managed or organized from a single, central point, often referring to administrative or operational activities.

Contractual Vertical Marketing System

A coordinated marketing system among businesses at different levels of the supply chain, established through contracts to maximize efficiency and profitability.

Functional Economies

Economic systems oriented towards the efficient and sustainable provisioning of goods and services to meet human needs.