How Fast Does Evolution by Natural Selection Take Place

question 48

Multiple Choice

How fast does evolution by natural selection take place?

• A) It is such a slow process that a single adaptation requires millions of years.
• B) It is so slow that it cannot be seen in the fossil record.
• C) It is fast enough that several new species can evolve from other forms in a few million years.
• D) It is so rapid that new species often evolve in a matter of decades.

---

Definitions:

Rights in Research

Ethical guidelines ensuring participants in research are treated with respect and that their rights are protected throughout the study.

Confidentiality

The ethical principle or legal right that a physician or other healthcare professional will hold secret all information relating to a patient unless the patient gives consent permitting disclosure.

Sample

Portion of a larger group of subjects in a research study.

Qualitative Research

An inductive approach to analysis; no formal instruments are used and instead, loosely structured narrative data are collected; data are analyzed by identifying themes and patterns that emerge.