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Updated on: 02 Oct 2023, 12:21
Originally posted by Sajjad1994 on 18 Feb 2020, 08:51.
Last edited by BottomJee on 02 Oct 2023, 12:21, edited 2 times in total.
Last edited by BottomJee on 02 Oct 2023, 12:21, edited 2 times in total.
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Happened: Imidaclorid affected the bee's ability to bring home food.
Did Not
Happen: Imidaclorid increased the bee fertility rate.
Happen: Imidaclorid increased the bee fertility rate.
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
55%
(hard)
Question Stats:
63% (02:37) correct
37%
(02:34)
wrong
based on 1097
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Not Attempted Yet
In recent years, bee populations have been dropping rapidly, partly due to a phenomenon known as Colony Collapse Disorder. Scientists also fear pesticides are destroying bee populations, but it is not clear how they are causing damage.
In the first of the Science studies, a University of Stirling team exposed developing colonies of bumblebees to low levels of a chemical pesticide called imidacloprid, and then placed the colonies in an enclosed field site where the bees could fly around collecting pollen under natural conditions for six weeks. A control group was not exposed to imidacloprid.
At the beginning and end of the experiment, the researchers weighed each of the bumblebee nests - which included the bees, wax, honey, bee grubs and pollen - to see how much the colony had grown. Compared to control colonies not exposed to imidacloprid, the researchers found the treated colonies gained less weight, suggesting less food was coming in. The treated colonies were on average eight to 12 percent smaller than the control colonies at the end of the experiment, and also produced about 85 percent fewer queens - a finding that is key because queens produce the next generation of bees.
From the previous paragraph, which of the following changes to the bee can be inferred to have happened, and which can be inferred to NOT have happened. Make only two selections, one in each column.
In the first of the Science studies, a University of Stirling team exposed developing colonies of bumblebees to low levels of a chemical pesticide called imidacloprid, and then placed the colonies in an enclosed field site where the bees could fly around collecting pollen under natural conditions for six weeks. A control group was not exposed to imidacloprid.
At the beginning and end of the experiment, the researchers weighed each of the bumblebee nests - which included the bees, wax, honey, bee grubs and pollen - to see how much the colony had grown. Compared to control colonies not exposed to imidacloprid, the researchers found the treated colonies gained less weight, suggesting less food was coming in. The treated colonies were on average eight to 12 percent smaller than the control colonies at the end of the experiment, and also produced about 85 percent fewer queens - a finding that is key because queens produce the next generation of bees.
From the previous paragraph, which of the following changes to the bee can be inferred to have happened, and which can be inferred to NOT have happened. Make only two selections, one in each column.
| Happened |
Did Not Happen |
Statements |
| Imidaclorid slowed down the bee's physical movement. | ||
| Bee's immune system adapted to the Imidaclorid. | ||
| Imidaclorid inhibited the bee's ability to pollinate flowers. | ||
| Imidaclorid increased the bee fertility rate. | ||
| Imidaclorid affected the bee's ability to bring home food. |
ShowHide Answer
Official Answer
Happened: Imidaclorid affected the bee's ability to bring home food.
Did Not
Happen: Imidaclorid increased the bee fertility rate.
Happen: Imidaclorid increased the bee fertility rate.
18 Feb 2020, 10:00
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Happen: Imidaclorid affected the bee's ability to bring home food, since this factor is mentioned in the last paragraph
Did not happen: Imidaclorid increased the bee fertility rate,since the Queen's were reduced so fertility rate didn't increased
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Did not happen: Imidaclorid increased the bee fertility rate,since the Queen's were reduced so fertility rate didn't increased
Posted from my mobile device
01 Oct 2024, 10:26
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1. We need to find a statement that be inferred to have happened, and which statement can be inferred to not have happened.
2. Imidaclorid slowed down the bee's physical movement. Physical movement isn't mentioned anywhere in the passage and can't be inferred. So, this statement cannot be inferred to have or haven't happened.
3. Bee's immune system adapted to the Imidaclorid. This is irrelevant since there is nothing relating to immune system mentioned in the text. So, this statement cannot be inferred to have or haven't happened.
4. Imidaclorid inhibited the bee's ability to pollinate flowers. Pollinating flowers was mentioned, however, any connection or effect from Imidaclorid isn't. So, this statement cannot be inferred to have or haven't happened.
5. Imidaclorid increased the bee fertility rate. This isn't true and quite the opposite happened: "The treated colonies ... produced about 85 percent fewer queens". So, this statement can be inferred to not have happened.
6. Imidaclorid affected the bee's ability to bring home food. Here, it is true and can be found in the text: "the researchers found the treated colonies gained less weight, suggesting less food was coming in". So, this statement can be inferred to not have happened.
2. Imidaclorid slowed down the bee's physical movement. Physical movement isn't mentioned anywhere in the passage and can't be inferred. So, this statement cannot be inferred to have or haven't happened.
3. Bee's immune system adapted to the Imidaclorid. This is irrelevant since there is nothing relating to immune system mentioned in the text. So, this statement cannot be inferred to have or haven't happened.
4. Imidaclorid inhibited the bee's ability to pollinate flowers. Pollinating flowers was mentioned, however, any connection or effect from Imidaclorid isn't. So, this statement cannot be inferred to have or haven't happened.
5. Imidaclorid increased the bee fertility rate. This isn't true and quite the opposite happened: "The treated colonies ... produced about 85 percent fewer queens". So, this statement can be inferred to not have happened.
6. Imidaclorid affected the bee's ability to bring home food. Here, it is true and can be found in the text: "the researchers found the treated colonies gained less weight, suggesting less food was coming in". So, this statement can be inferred to not have happened.
