The Figure Shows the Level of Diversity at Three Loci

question 38

Multiple Choice

The figure shows the level of diversity at three loci in two species of elephant seals. Which of the following could be true of these species according to the data? B

• A) The northern elephant seals have a higher mutation rate than the southern elephant seals.
• B) The northern elephant seals have a larger effective population size than the southern elephant seals.
• C) The northern elephant seals experience balancing selection at these loci and the southern elephant seals experience directional selection.
• D) The northern elephant seals experienced a population bottleneck, but the southern elephant seals did not.

Understand the impact of physical activity on neurotransmitter levels related to mood.

Comprehend the relationship between patterns of brain activity and mood disorders.

Identify the characteristics and risks of thought patterns that contribute to depression.

Analyze the connection between childhood abuse and the risk of adult depression.

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Definitions:

Reversibility

According to Piaget, recognition that processes can be undone, leaving things as they were before. Reversibility is a factor in conservation of the properties of substances.

Hypothetical Thinking

The cognitive ability to consider possibilities, imagine outcomes, and think about events or conditions that are not yet real or present.

Flexibility and Reversibility

Qualities that allow an individual to adapt to changes and reverse actions or decisions when necessary.

Imaginary Companions

Fictional characters created by children or adults in their minds for companionship, entertainment, and coping mechanisms.