Listening -Final - 2.3

Until recently, what was believed to be unique to humans?

• a) The ability to communicate
• b) The ability to feel emotions
• c) Laughter

What kind of sound do chimpanzees make when they play and get excited?

• a) A whistling sound
• b) A special kind of panting sound
• c) A loud roar

How does the chimpanzee laughter-like sound compare to human laughter?

• a) It sounds exactly the same.
• b) It sounds more like grunting.
• c) It is much louder.

What effect does laughter have on stress levels in chimpanzees?

• a) It increases stress.
• b) It has no effect on stress.
• c) It reduces stress.

What happens when chimpanzees hear recordings of other chimpanzees making laughter sounds?

• a) They become agitated.
• b) They become happier and more playful.
• c) They ignore the sound.

According to the text, what do most mammals appear to make when they are amused or happy?

• a) A special sound
• b) A specific facial expression
• c) A unique dance

Which birds are mentioned as being able to imitate human laughter with amazing precision?

• a) Parrots and mynah birds
• b) Owls and eagles
• c) Pigeons and sparrows

Initially, how was the laughter of parrots and mynah birds interpreted?

• a) As a sign of amusement
• b) As plain mimicry
• c) As a warning signal

What type of bird provided evidence that challenged the assumption about bird laughter?

• a) A parrot
• b) A mynah bird
• c) A crow

How would the observed mynah bird react when people he liked entered the room?

• a) He would squawk loudly.
• b) He would greet them and laugh softly.
• c) He would hide.