A Smooth Pattern of Variation Along a Geographical Gradient Is

question 73

Multiple Choice

A smooth pattern of variation along a geographical gradient is referred to as a ____.

• A) ring species
• B) hybrid zone
• C) morphological species
• D) cline
• E) cluster of subspecies

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Definitions:

Cell Metabolism

The complex set of chemical reactions that occur within a cell to maintain life, involving the breakdown of molecules to generate energy and the synthesis of all compounds necessary for cell structure and function.

Fluid-Mosaic Model

The fluid-mosaic model describes the structure of cell membranes as a mosaic of components, including proteins, lipids, and carbohydrates, that gives the membrane a fluid character.

Phospholipids

A class of lipids forming the major component of cell membranes, consisting of a phosphate group, a glycerol backbone, and two fatty acid tails.

Plasma Membrane

A membrane made of two layers of lipids encircles the cell, managing how substances move into and out of it.