You Are Studying Leaf Size in a Natural Population of Plants.The

question 58

Multiple Choice

You are studying leaf size in a natural population of plants.The second season is particularly dry,and the following year the average leaf size in the population is smaller than the year before.But the amount of overall variation is the same,and the population size hasn't changed.Also,you've done experiments that show that small leaves are better adapted to dry conditions than are large leaves.Which of the following has occurred?

• A)stabilizing selection
• B)directional selection
• C)genetic drift
• D)disruptive selection

---

Definitions:

Productivity

Measures the efficiency of production output in relation to the input resources used.

Personality Traits

Enduring characteristics that describe an individual's behavior, mindset, and emotional patterns.

Conscientiousness

A personality trait characterized by being thorough, careful, or vigilant; implies a desire to do a task well.

Personality Traits

Characteristics or qualities that form an individual's distinctive character, often used to predict behavior and attitudes.