To Understand the Evolution of a Species, We Need to Know

question 20

Multiple Choice

To understand the evolution of a species, we need to know about its ancestors and what changes have occurred along the way. Darwin called this process

• A) natural selection.
• B) descent with modification.
• C) genetics.
• D) changes in fitness.

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Definitions:

All-Cis Form

A molecular configuration where all substituents are positioned on the same side of a double bond or in a cyclic structure.

Aromatic

Relates to organic compounds that contain one or more planar rings of carbon atoms with delocalized π electrons, providing unique stability and chemical properties.

Tropylium Bromide

A chemical compound featuring a tropylium ion, which is positively charged, paired with a bromide ion.

AntiAromatic

Describes compounds that have cyclic, conjugated electron configurations but do not follow Hückel's rule, often being less stable.