Epithelial Cells Lining the Intestine Have Surface Projections That Increase

question 50

Multiple Choice

Epithelial cells lining the intestine have surface projections that increase the rate of nutrient absorption. These projections are called

• A)villi.
• B)cilia.
• C)microvilli.
• D)parietal cells.

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Definitions:

Structural Differences

Variations in the physical or anatomical organization between organisms, cells, or molecules.

Evolutionary Species Concept

A definition of species based on evolutionary lineage, where a species is a lineage of populations which maintains its identity from other such lineages and has its own evolutionary tendencies and historical fate.

Natural Selection

The process by which organisms better adapted to their environment tend to survive and produce more offspring.

Morphologically Different

Having distinct form or structure, especially between groups of organisms or parts of the same organism.