At One Time, Chondrichthyes Were Thought to Have Split Off

question 29

Multiple Choice

At one time, Chondrichthyes were thought to have split off from other vertebrates before the evolution of bone. Now we have concluded that the Chondrichthyes split off after the evolution of bone had started. This change demonstrates ________.

• A) as new evidence emerges, scientists revise their hypotheses
• B) scientists develop hypotheses and only accept data that confirm their hypotheses
• C) revisions of hypotheses take many years
• D) scientists accept the simplest hypotheses

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Definitions:

Standard Costs

Predetermined costs for materials, labor, and overhead that are used as benchmarks for measuring performance.

Controlling Costs

The process of planning, monitoring, and managing expenses to operate within a budget.

Degree Of Controllability

The extent to which the cost or performance outcome of a process or operation can be influenced or managed by the responsible party.

Standard Costing System

A cost accounting method that assigns fixed costs to products or services based on standard estimated costs.