How Do Fossils Support the Theory of Common Descent

question 12

Multiple Choice

How do fossils support the theory of common descent?

• A) They are a record of some intermediate types of organisms that document the process of evolution.
• B) They can be easily and precisely dated by comparing the rock layers where they are found.
• C) They are found equally all over the world, so they explain all our questions about biogeography.
• D) They contain complete DNA genomes, so they can be compared to modern organisms.

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Definitions:

Economies of Scale

The cost advantage that arises with increased output of a product, as the fixed costs are spread over more units of production.

Diseconomies of Scale

This occurs when a company grows so large that the costs per unit increase.

Levels of Output

Levels of output refer to the quantity of goods or services produced by a firm or industry over a specific period.

Economies of Scale

The cost advantages that enterpises obtain due to their scale of operation, with cost per unit of output generally decreasing with increasing scale.