Add or Subtract $\frac { 1 } { ( x - 3 ) ( x + 3 ) } - \frac { 3 } { ( x + 3 ) ( x - 1 ) }$

question 125

Multiple Choice

Add or subtract.
- $\frac { 1 } { ( x - 3 ) ( x + 3 ) } - \frac { 3 } { ( x + 3 ) ( x - 1 ) }$

• A) \(\frac { - 2 ( x - 4 ) } { ( x - 3 ) ( x + 3 ) ( x - 1 ) }\)
• B) \(\frac { 2 ( 2 x - 5 ) } { ( x - 3 ) ( x + 3 ) ( x - 1 ) }\)
• C) \(\frac { 2 ( x - 4 ) } { ( x - 3 ) ( x + 3 ) ( x - 1 ) }\)
• D) \(\frac { - 2 ( x - 2 ) } { ( x - 3 ) ( x + 3 ) ( x - 1 ) }\)

Evaluate the challenges in defining microbial species and propose solutions.

Develop hypothesis-driven approaches to test theories of speciation using experimental and observational data.

Understand the role of natural selection in life history traits, including longevity and reproductive strategies.

Comprehend the biological basis and ecological significance of menopause in certain species.

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Definitions:

Hans Selye

A pioneering Hungarian-Canadian endocrinologist known for his research on the stress response and for introducing the concept of general adaptation syndrome.

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A measure of an individual or family's economic and social position in relation to others, based on income, education, and occupation.

Stress-Related Illnesses

Health problems that are directly or indirectly caused by stress, including psychological and physical conditions.

West Bank

A territory located in the Middle East, bordered by Israel and Jordan, known for its central role in the ongoing Israeli-Palestinian conflict.