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Updated on: 24 Feb 2024, 01:21
Originally posted by parthwagh on 23 Feb 2024, 10:01.
Last edited by Sajjad1994 on 24 Feb 2024, 01:21, edited 2 times in total.
Last edited by Sajjad1994 on 24 Feb 2024, 01:21, edited 2 times in total.
Formatted
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Question 1
C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
72% (02:22) correct
28%
(01:56) wrong
based on 95
sessions
History
Date
Time
Result
Not Attempted Yet
Question 2
D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
96% (00:24) correct 4%
(01:12) wrong
based on 83
sessions
History
Date
Time
Result
Not Attempted Yet
Question 3
D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
65%
(hard)
Question Stats:
32% (01:02) correct 68%
(00:57) wrong
based on 84
sessions
History
Date
Time
Result
Not Attempted Yet
Despite their tiny size and seemingly simple lives, bees possess a remarkable form of communication – a complex "waggle dance" that conveys information about the location of food sources to their hivemates. This dance, first deciphered by Austrian ethologist Karl von Frisch in the 1920s, involves a series of intricate movements: a straight "waggle run" in the direction of the food, followed by a half-circle turn to the left or right depending on the angle of the food source relative to the sun. The intensity of the waggle and the duration of the dance further encode the distance and quality of the food.
While the waggle dance was initially thought to be the bees' sole communication method, recent research suggests a richer and more nuanced language. Scientists have observed bees performing "shaking dances" that appear to warn others about threats like predators or damaged hives. Additionally, acoustic signals, vibrations, and even chemical cues play a role in bee communication, creating a multifaceted system that allows them to share information vital to their survival.
Understanding the language of bees offers valuable insights into the social organization and cognitive abilities of these fascinating creatures. It also has practical applications, such as helping beekeepers locate and manage their hives more effectively. However, the decline of bee populations due to habitat loss, pesticide use, and climate change threatens this intricate communication system, potentially disrupting the delicate balance of bee colonies and impacting the wider ecosystem
While the waggle dance was initially thought to be the bees' sole communication method, recent research suggests a richer and more nuanced language. Scientists have observed bees performing "shaking dances" that appear to warn others about threats like predators or damaged hives. Additionally, acoustic signals, vibrations, and even chemical cues play a role in bee communication, creating a multifaceted system that allows them to share information vital to their survival.
Understanding the language of bees offers valuable insights into the social organization and cognitive abilities of these fascinating creatures. It also has practical applications, such as helping beekeepers locate and manage their hives more effectively. However, the decline of bee populations due to habitat loss, pesticide use, and climate change threatens this intricate communication system, potentially disrupting the delicate balance of bee colonies and impacting the wider ecosystem
1. The primary purpose of the passage is to:
(A) Describe the history of beekeeping practices.
(B) Explain the mechanics of the waggle dance.
(C) Highlight the importance of communication in bees.
(D) Discuss the threats facing bee populations.
(E) Compare different forms of bee communication.
(A) Describe the history of beekeeping practices.
(B) Explain the mechanics of the waggle dance.
(C) Highlight the importance of communication in bees.
(D) Discuss the threats facing bee populations.
(E) Compare different forms of bee communication.
2. According to the passage, the shaking dance in bees most likely functions as:
(A) A mating ritual.
(B) A celebration of finding food.
(C) A recruitment signal for new nest sites.
(D) A warning about potential dangers.
(E) A way to express dominance within the hive.
(A) A mating ritual.
(B) A celebration of finding food.
(C) A recruitment signal for new nest sites.
(D) A warning about potential dangers.
(E) A way to express dominance within the hive.
3. The author implies that the decline of bee populations could:
(A) Lead to a decrease in honey production.
(B) Disrupt the food chain for many other species.
(C) Negatively impact the income of beekeepers.
(D) All of the above.
(E) None of the above.
(A) Lead to a decrease in honey production.
(B) Disrupt the food chain for many other species.
(C) Negatively impact the income of beekeepers.
(D) All of the above.
(E) None of the above.
26 Feb 2024, 06:46
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Can someone please explain Q3?
26 Feb 2024, 07:00
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The author implies that the decline of bee populations could have multiple negative impacts, including leading to a decrease in honey production, disrupting the food chain for many other species, and negatively impacting the income of beekeepers.
(A) Lead to a decrease in honey production: The passage mentions that bees play a crucial role in pollination, which is essential for the production of fruits, vegetables, and other crops. A decline in bee populations could result in reduced pollination rates, ultimately leading to a decrease in honey production.
(B) Disrupt the food chain for many other species: Bees are important pollinators that facilitate the reproduction of various plants, which in turn provide food and habitats for countless other species. A decline in bee populations could disrupt this intricate web of interactions, potentially affecting the food chain and ecosystem dynamics.
(C) Negatively impact the income of beekeepers: Beekeepers rely on healthy bee populations to maintain their hives and produce honey. A decline in bee populations due to various threats like habitat loss, pesticide use, and climate change could have financial repercussions for beekeepers, as they may experience difficulties in managing their hives effectively and maintaining honey production levels.
(D) All of the above: The decline of bee populations could indeed lead to a decrease in honey production, disrupt the food chain for many other species, and negatively impact the income of beekeepers, as discussed in the passage.
(E) None of the above: This statement is incorrect based on the information provided in the passage, as the decline of bee populations is shown to have various negative consequences that align with choices A, B, and C.
(A) Lead to a decrease in honey production: The passage mentions that bees play a crucial role in pollination, which is essential for the production of fruits, vegetables, and other crops. A decline in bee populations could result in reduced pollination rates, ultimately leading to a decrease in honey production.
(B) Disrupt the food chain for many other species: Bees are important pollinators that facilitate the reproduction of various plants, which in turn provide food and habitats for countless other species. A decline in bee populations could disrupt this intricate web of interactions, potentially affecting the food chain and ecosystem dynamics.
(C) Negatively impact the income of beekeepers: Beekeepers rely on healthy bee populations to maintain their hives and produce honey. A decline in bee populations due to various threats like habitat loss, pesticide use, and climate change could have financial repercussions for beekeepers, as they may experience difficulties in managing their hives effectively and maintaining honey production levels.
(D) All of the above: The decline of bee populations could indeed lead to a decrease in honey production, disrupt the food chain for many other species, and negatively impact the income of beekeepers, as discussed in the passage.
(E) None of the above: This statement is incorrect based on the information provided in the passage, as the decline of bee populations is shown to have various negative consequences that align with choices A, B, and C.
