Which of the Following Is the Best Modern Definition of Evolution

question 40

Multiple Choice

Which of the following is the best modern definition of evolution?

• A) change in allele frequencies in a population over time
• B) inheritance of acquired characters
• C) survival of the fittest
• D) descent without modification

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Definitions:

Exploratory

Research designed to investigate an area or phenomenon that is not well understood, often used to generate hypotheses for further study.

Experimental

Pertaining to a method of research that tests a hypothesis under controlled conditions.

Double-blind

A study or clinical trial design in which neither the participants nor the experimenters know who is receiving a particular treatment, to prevent bias.

Dependent Variable

A variable that an experimenter predicts will be affected by manipulations of the independent variable.