Which of the Following Must Exist in a Population Before

question 55

Multiple Choice

Which of the following must exist in a population before natural selection can act upon that population?

• A) genetic variation among individuals
• B) variation among individuals caused by environmental factors
• C) sexual reproduction
• D) Three of the responses are correct.
• E) Two of the responses are correct.

---

Definitions:

First Statement

The initial line or command in a sequence of code that is executed in a program or script.

Void Methods

Methods in programming that do not return any value after executing a specific operation or function.

Return Statement

A statement used in programming languages to exit a function and possibly return a value to the caller.