Oxygen Molecules Are 16 Times More Massive Than Hydrogen Molecules

question 1

Multiple Choice

Oxygen molecules are 16 times more massive than hydrogen molecules. At a given temperature, the average molecular kinetic energy of oxygen, compared to hydrogen

• A) is greater.
• B) is less.
• C) is the same.
• D) more information is required to answer correctly

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Definitions:

Directional Selection

is a type of natural selection that favors one extreme phenotype over others, causing a shift in allele frequency over time.

Genetic Drift

A mechanism of evolution that results in random changes in the frequency of alleles within a population over time.

Allele Frequencies

The proportion of different alleles of the same gene within a given population.

Cladistics

Making hypotheses about evolutionary relationships among clades.