Measures That Take on Only One of a Finite Number

question 27

Short Answer

Measures that take on only one of a finite number of values are called ____________________ measures.

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Definitions:

Clades

Clades are groups of organisms that are classified together based on sharing a common ancestor, thereby forming a branch on the tree of life.

Fossil Record

The collection of physical remains of organisms from the past, preserved in Earth's crust, which provides evidence of the history of life.

Microorganisms

Tiny living organisms, such as bacteria, viruses, and fungi, that can be seen only with a microscope.

Cambrian Explosion

The Cambrian Explosion was a significant event in the Earth's history approximately 541 million years ago, during which most major animal phyla appeared in the fossil record over a relatively short period.