They understood evolution and adaptation.

Meaning: This means that people came to know and comprehend the process by which organisms change over time, and the process by which organisms change to become better suited to their environment.

Choice of Words: They refers to the people who studied life. Understood means to know or comprehend something. Evolution is the process by which organisms change over time. And is a conjunction used to connect words, phrases, or clauses. Adaptation is the process by which organisms change to become better suited to their environment.

Alternative Expressions

Related Expressions

• They understood each other without words.
• The teacher explained the lesson clearly, and the students understood.
• The animals understood and agreed to stop fighting.
• Students understood and smiled.
• The children understood the concept clearly.
• The students understood everything.
• She spoke slowly, making sure everyone understood.
• Concepts understood easily.
• The students understood the answers clearly.
• The book spoke to her in a language she understood.