A New Plant Species May Arise in a Single Generation

question 20

Multiple Choice

A new plant species may arise in a single generation by

• A) errors in meiosis leading to polyploidy.
• B) a sudden geological disruption causing separation of two populations.
• C) mutations in genes for flower color.
• D) changes in the pollinator species.

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Definitions:

Line-Angle Structure

A simplified representation of chemical structures where bonds are represented by lines and carbon atoms are implied at each line's end and vertices.

Carbon Atoms

The fundamental building blocks of organic molecules, capable of forming four covalent bonds.

Molecule

The smallest unit of a chemical compound that can exist, consisting of two or more atoms bonded together.

Condensed Structure

A representation of a molecular structure that omits certain atoms or groups, assuming the reader will infer their presence to simplify depictions of organic compounds.