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SAT® Reading and Writing

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Vocabulary Definition 3

SATRW-EYDLEL

A Dog's Eye View of Morphological Diversity, Liza Gross

Gross, Liza. "A Dog's Eye View of Morphological Diversity." PLOS Biology (2010): n. pag. Journals.plos.org. Web. 20 Mar. 2016.

"Such variations, where one dog may have an A and another a T, promise to reveal the genetic roots of morphology, behavior, and disease." (Lines 38-40)

In this sentence, what is the meaning of morphology?

A

The form and structure of organisms and their specific structural features.

B

The changing characteristics of organisms as they grow and mature.

C

The change in certain characteristics as one species joins with another.

D

The growth and development of a species over time as it adapts to its environment.