Chimpanzees show complex communication through rhythmic drumming

Vocabulary: I will read the words, meanings, and sample sentences. Then, repeat after me. rhythmic /RITH-mik/ [adjective] – having a regular pattern of sounds or movements The dancers moved in rhythmic steps to the sound of drums during the festival. interval /IN-ter-vuhl/ [noun] – a space or period of time between two points or events The bus arrives at regular intervals of 15 minutes in the morning. predate /PREE-DEYT/ [verb] – to exist or happen before something else This ancient temple predates the founding of the city by several centuries. cognitively /KAAG-nuh-tuhv-lee/ [adverb] – in a way that relates to mental processes such as thinking, understanding, or learning The puzzle…
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