Suppose That There Are 400 Students in Your School Class

question 1

Multiple Choice

Suppose that there are 400 students in your school class. What class rank is the 20th percentile?

• A) 80
• B) 40
• C) 20
• D) None of the above

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Definitions:

Snacks

Small portions of food typically eaten between meals.

Natural Selection

The evolutionary process in which individuals with genetically influenced traits that are adaptive in a particular environment tend to survive and to reproduce in greater numbers than do other individuals; as a result, their traits become more common in the population.

Learning

The process of acquiring new understanding, knowledge, behaviors, skills, values, attitudes, and preferences.

Adaptation

The process by which a species becomes fitted to its environment; it is the result of natural selection acting upon heritable variation.