Listen to the audio and complete the sentences with a word or short phrase.
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Bees do a 1 to communicate where to find food.
Although parrots seem to speak, they are only 2 the human sounds.
Primates can communicate a few 3 using simple sounds.
Monkeys have not been observed to use any kind of 4
Although dolphins can make vowel sounds, they cannot accurately imitate our 5
Amazingly, dolphins demonstrate 6 of when phrases should be used.
The sounds made by whales contain 7 than human speech.
The songs of the bottle-nosed whale have many of the 8 of human speech.
The unique grammatical nature of human language arose due to life in 9
Indeed, a young child needs enough 10 with other people to develop speech.