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Ch. 44 - Animal Sensory Systems
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All textbooksFreeman 8th EditionCh. 44 - Animal Sensory SystemsProblem 11

Chapter 43, Problem 11

Honeybees live in social groups consisting of a queen, up to several hundred male drones, and thousands of infertile female workers. The drones mate with the queen only, and the workers protect the hive, forage, and feed and groom the queen. The health of the hive depends on the female workers performing these duties instead of reproducing. What roles do pheromones play in maintaining a functional beehive? Scientists have identified dozens of pheromones used by honeybees for communication. Which type of sensory system uses pheromones? a. mechanoreception b. photoreception c. chemoreception d. thermoreception e. electroreception

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Hi everyone. Here's the next problem. It says the chemo receptors among bees use blank cues from the queen bee to direct their behavior and activity within the beehive. Well we've got a nice clue here um and that it says that the chemo receptors among bees so that gives us a clue that are correct answer here is chemical which is choice B. And that's because the queen bee in the hive. Um One of her primary functions is that she releases pheromones which are chemicals um received by the other bees and their chemo receptors. And that does direct the behavior and activity of the other bees. So this queen bee has to um primary functions. One is she's the only fertilized bee in the hive and therefore the only one that can lay eggs and reproduce the bees. And the other is to release these pheromones which are chemical signals to direct the behavior and activity keeping the colony functioning harmoniously. So we can eliminate that are not electrical signals, they're not temperature signals and not light signals. They're coming from the queen bee. So you wouldn't expect them to be temperature or light signals. Um But they are pheromones which are chemicals. So the chemo receptors among bees use Joyce be chemical cues from the queen bee. See you in the next video
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Textbook Question

Honeybees live in social groups consisting of a queen, up to several hundred male drones, and thousands of infertile female workers. The drones mate with the queen only, and the workers protect the hive, forage, and feed and groom the queen. The health of the hive depends on the female workers performing these duties instead of reproducing. What roles do pheromones play in maintaining a functional beehive? Honeybees produce an alarm pheromone when their hive is molested. This pheromone stimulates the bees to protect the hive. If you were to count the number of alarm pheromone receptors in honeybee tissues, which type of bee would likely have the most—a queen, a drone, or a worker? Why?

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Textbook Question

Honeybees live in social groups consisting of a queen, up to several hundred male drones, and thousands of infertile female workers. The drones mate with the queen only, and the workers protect the hive, forage, and feed and groom the queen. The health of the hive depends on the female workers performing these duties instead of reproducing. What roles do pheromones play in maintaining a functional beehive? Why might an alarm pheromone be more effective for triggering a protective response in a hive than signals that involve other senses, such as vision or hearing?

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Textbook Question

Honeybees live in social groups consisting of a queen, up to several hundred male drones, and thousands of infertile female workers. The drones mate with the queen only, and the workers protect the hive, forage, and feed and groom the queen. The health of the hive depends on the female workers performing these duties instead of reproducing. What roles do pheromones play in maintaining a functional beehive? Researchers observed that the queen produces a pheromone that attracts both drones and workers. They hypothesized that this pheromone inhibits ovarian development in the workers, making the workers infertile. To test this hypothesis, they exposed workers to a synthetic version of the queen pheromone and then recorded their 'ovary development score.' (Higher scores indicate more fully developed ovaries.) The results are shown in the graph here. Do these results support the researchers' hypothesis? Why or why not? (*** signifies P<0.001.)

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