Evolution of communication — Flashcards

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Communication is the exchange of information through speaking, writing, or using gestures. For example, when you talk to your friend or write a letter to your grandmother, you are communicating your t…

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Early humans used signs, gestures, sounds, smoke signals, drum beats, and cave paintings to communicate. For example, they made paintings on cave walls to show hunting scenes or daily life, which help…

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Cave paintings were used to record events like hunting trips or to share stories with others. These images helped people communicate ideas and pass on knowledge even without words or writing.

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Pictorial writing uses pictures to represent words or ideas. For example, a drawing of a sun could mean 'day' or 'light'. This was one of the earliest ways people began to write messages.

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As people started farming and keeping animals, they needed to keep records — like how many goats they had or how much grain they stored. Writing helped them remember and share this information accurat…

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Homing pigeons were trained birds that could find their way home from far away. People tied small messages to their legs and released them to send news quickly across long distances.

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The Persians were the first to train pigeons. The Romans used them in wars, and the Mughals in India also used pigeons. Even in World War I, over 100,000 pigeons carried messages!

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Johannes Gutenberg from Germany invented the printing press around 1440. This machine could print many books quickly, making knowledge available to more people.