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Read the text fast to find the answer to this question: What else did Von Frisch notice about the wagging dance? The farther away the feeding station was, the slower the wagging dance was; the direction of the wagging dance tells the direction of the feeding place. True or false statements True or false statements 1.1.Von Frisch and his co-workers Von Frisch and his co-workers counted how many times the bees counted how many times the bees repeated the wagging dance during repeated the wagging dance during one minute. one minute. 2. They discovered that the farther 2. They discovered that the farther away the feeding station was, the away the feeding station was, the faster the dance was. faster the dance was. 3. The number of wagging dances per 3. The number of wagging dances per minute told the distance to the minute told the distance to the feeding place. feeding place. T T F F T T 4. Then Professor Von Frisch did his 4. Then Professor Von Frisch did his third experiment, which was to third experiment, which was to discover whether the wagging dance discover whether the wagging dance showed direction. showed direction. 5. He found that the 5. He found that the straight part of the dance straight part of the dance was different in the morning was different in the morning from what it had been in from what it had been in the afternoon. the afternoon. F F T T 6. If the feeding place was toward the 6. If the feeding place was toward the sun, the distance headed straight sun, the distance headed straight downward during the straight part downward during the straight part of the wagging dance. of the wagging dance. 7. The experiment of Professor Karl 7. The experiment of Professor Karl Von Frisch tells us that bees can and Von Frisch tells us that bees can and do communicate with each other by do communicate with each other by their dances, which may be called a their dances, which may be called a kind of “ language” . kind of “ language” . F F T T General ideas ( General ideas ( wagging dancewagging dance) ) Para.1: Para.1: Para.2,3: Para.2,3: The number of wagging dances The number of wagging dances per minute told the exact per minute told the exact distancedistance to the feeding place.to the feeding place. The wagging dance shows the The wagging dance shows the direction direction of a feeding place.of a feeding place. Note making Note making (1) A circle dance means:_(1) A circle dance means:_ (2) A wagging dance means:_ (2) A wagging dance means:_ (3) A faster wagging (3) A faster wagging dance means: _ dance means: _ (4) A slower wagging (4) A slower wagging dance means: _ dance means: _ (5) A wagging dancer (5) A wagging dancer headed straight upward: _ headed straight upward: _ (6) A wagging dancer (6) A wagging dancer headed straight downward: _ headed straight downward: _ food is nearfood is near food is far away food is far away food is closer food is closer food is farther away food is farther away food is toward the sun food is toward the sun (food is in the (food is in the direction of the sun) direction of the sun) food is away food is away from the sun from the sun a b c d Label the dances correctly,”Food in the Label the dances correctly,”Food in the direction of the sun” and “Food away from direction of the sun” and “Food away from the sun”. the sun”. Food in the Food in the direction of the direction of the sunsun Food away fromFood away from the sun the sun Bees do not have a language like the humanBees do not have a language like the human beings, but they have a _ of their beings, but they have a _ of their own. It is a language of _ . own. It is a language of _ . Professor Karl von Frisch came to realize Professor Karl von Frisch came to realize this after years of _on the life of bees. this after years of _on the life of bees. He discovered that bees could _ He discovered that bees could _ the news of food by repeating a kind of the news of food by repeating a kind of circle dance. He further found out that circle dance. He further found out that they could tell the _of the feeding they could tell the _of the feeding place by repeating a _ dance. The place by repeating a _ dance. The farther away the food was, the _ farther away the food was, the _ the dance was. The number of wagging the dance was. The number of wagging dances _ minute told the distance of the dances _ minute told the distance of the feeding place. Von Frisch also found that feeding place. Von Frisch also found that language language dances dances work work communicate communicate distance distance wagging wagging slower slower per per bees could tell the _ of the food.bees could tell the _ of the food. The straight part of the wagging dance The straight part of the wagging dance changed as the suns _ changed. changed as the suns _ changed. Heading straight _ during the Heading straight _ during the straight part of the wagging dance meant straight part of the wagging dance
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