Which of These Provides Evidence of the Common Ancestry of All

question 17

Multiple Choice

Which of these provides evidence of the common ancestry of all life?

• A) ubiquitous use of catalysts by living systems
• B) near universality of the genetic code
• C) structure of the nucleus
• D) structure of cilia
• E) structure of chloroplasts

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Definitions:

Concepts

Cognitive units of meaning that are abstract, generalized ideas or categories representing objects, qualities, or relations.

Referents

Objects or concepts in the world that words or phrases stand for or represent in language and thought.

Genus

A term in taxonomy representing a higher classification grouping that consists of similar species.

Species

A congregation of organisms that resemble each other and can engage in gene exchange or reproduction.