Csu Bz 220 Exam Prep Study Guide Practice Questions With D

Page 1 of 41 CSU BZ 220 Exam Prep Study Guide - Practice Questions with Detailed Answers (Latest Edition) Question 1 Relative Fitness - Correct Answer: number of offspring an individual produces divided by the maximum number of offspring produced in the population RATIONALE: Relative fitness (often denoted as w) is a standardized measure comparing an individual's reproductive success to the most successful individual in the population. It ranges from 0 to 1 and allows comparison across different environments . Key Tip: Remember that absolute fitness is the actual number of offspring, while relative fitness is always a ratio compared to the most successful individual. Question 2 Heritability - Correct Answer: variation in the population that is due to differences in the genes RATIONALE: Heritability (h) is the proportion of total phenotypic variance in a trait that is due to genetic variance. It ranges from 0 (no genetic influence) to 1 (all variation is genetic) . Key Tip: Heritability is a population-specific measureit applies to the population studied, not to individuals, and can change if environment or genetic background changes.Page 2 of 41 Question 3 Exaptation - Correct Answer: the process in which existing structures take on new functions through