The Reason That the Moon Takes on a Crescent Shape

question 101

Multiple Choice

The reason that the Moon takes on a crescent shape each month has to do with the

• A)Earth's shadow.
• B)Sun's position.
• C)both of these
• D)neither of these

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Definitions:

DNA Degradation

The breakdown or decomposition of DNA molecules, which can occur due to environmental factors, chemical reactions, or enzymatic processes.

Bottleneck Effects

A phenomenon where a population's size is significantly reduced for at least one generation, leading to a loss of genetic diversity.

Founder Effects

A genetic phenomenon that occurs when a new population is established by a very small number of individuals from a larger population, leading to a reduction in genetic variation and a potentially different genetic structure compared to the original population.

Allele Frequencies

The proportion or prevalence of different alleles (versions of a gene) in a particular population, which can change over time due to evolutionary pressures.