If $P ( A \cup B ) = 1 \text { and } P ( A \cap B ) = 0$

question 145

Multiple Choice

If $P ( A \cup B ) = 1 \text { and } P ( A \cap B ) = 0$ , then which statement is true?

• A) A and B are complementary events.
• B) A and B are supplementary events.
• C) A and B are both empty events.
• D) A and B are reciprocal events.

---

Definitions:

Animal Species

A group of animals that share genetic similarities, can interbreed and produce fertile offspring.

Female Preference

In evolutionary biology, the behavioral tendency of females to choose certain males as mates, based on traits that indicate genetic fitness.

Showy Colors

Bright and conspicuous colors often found in animals and plants, typically used for attracting mates, warning predators, or other signaling purposes.

Inheritance

The genetic process by which traits and characteristics are passed from parents to their offspring.