They studied behavior and communication.

Meaning: This means that people learned or examined in detail the way in which an organism acts, and the process of conveying information between organisms.

Choice of Words: They refers to the people who studied life. Studied means to learn or examine something in detail. Behavior is the way in which an organism acts. And is a conjunction used to connect words, phrases, or clauses. Communication is the process of conveying information between organisms.

Alternative Expressions

They researched behavior and communication.

Meaning: This means that they were doing a study to learn more about the way people behave and how they communicate with each other.

Choice of Words: Researched means to investigate or study something in order to find out more about it. Behavior is the way that someone acts or behaves, and communication is the way that people share their thoughts and feelings with each other. So, "They researched behavior and communication" means that they did a study to learn more about how people act and communicate.

They analyzed behavior and communication.

Meaning: This means that they were carefully examining the way people behave and how they communicate with each other in order to understand it better.

Choice of Words: Analyzed means to examine something carefully in order to understand it better. Behavior is the way that someone acts or behaves, and communication is the way that people share their thoughts and feelings with each other. So, "They analyzed behavior and communication" means that they carefully examined how people act and communicate in order to understand it better.

Related Expressions