Defense Mechanisms

question 125

Multiple Choice

Defense mechanisms

• A) make a person feel more anxious and have more problems, because they begin to act defensively.
• B) are strategies the id uses to try to achieve what it desires.
• C) help a person feel less anxious, but because they usually work by distorting reality, they are not always adaptive.
• D) are conscious, intentional attempts to cope in an effective way with an anxiety provoking event.

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Definitions:

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.

Blood Stains

Evidence in the form of blood marks left on surfaces, which can be analyzed in forensic science to help reconstruct events at a crime scene.