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the data collected is insufficient to tdraw a clear conclusion, since there is only a marginal difference between the survival rates of the csaterpillars exposed to bt corn and non-bt corn

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b.	Explain why untransformed corn was included in the studies.

To act as a control – eliminate major biotic (predation) and abiotic (weather) impacts and natural mortality.

c.	Describe the trends seen in the lab study.

d.	Discuss whether there is evidence of Bt corn pollen affecting Monarch caterpillar survival. Are the error bars useful to the discussion?

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b.	Explain why untransformed corn was included in the studies.

To act as a control – eliminate major biotic (predation) and abiotic (weather) impacts and natural mortality.

c.	Describe the trends seen in the lab study.

d.	Discuss whether there is evidence of Bt corn pollen affecting Monarch caterpillar survival. Are the error bars useful to the discussion?

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Instructions -Go to the links given and read about Monarch butterflies and Bt. Corn.

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Instructions -Go to the links given and read about Monarch butterflies and Bt. Corn.

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Analyse the graph given and answer the following questions.
a) Explain why the untransformed corn was included in the study?
b) Discuss whether there is evidence of Bt Corn pollen affecting Monarch butterfly survival. Are error bars useful for the discussion?
c) Describe the trends seen in the study.
d) Evaluated the hypothesis that Bt Corn adversely affects Monarch butterflies.

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Go to the link below and read about Monarch Butterflies and Bt Corn.

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Do Bt Crops Affect Monarch Butterflies? - Plants - Canadian Food Inspection Agency

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Bt, or bacillus thuringiensis, is naturally occurring bacterium that is found in soil and works as an insecticide.

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Go to the link below and read about Monarch Butterflies and Bt Corn.

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Transgenic Crops: An Introduction and Resource Guide

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Losey and his co-workers reported their findings to the weekly scientific journal Nature, and a brief story with graphs showing the reduced feeding and the number of deaths was published in May 1999. The reaction was immediate and extreme.

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the relief teacher left :))))

VERY WELL DONE GUYS..

I RECEIVED THE RESPONSES FROM ALL OF YOU EXCEPT SEAN SO I THINK YOU CAN CLOSE YOU PADLET AND MOVE TO ASSIGNMENT.
IF MANAGE TO FINISH SUBMIT NOW OTHERWISE ON MONDAY.

TAKE CARE AND HAVE A

theres no one to submit it to....

OH YOU MEAN RELIEF TEACHER LEFT ....

OOPS... YOU CAN PUT ON MY TABLE IF DONE OTHERWISE ON MONDAY.

TAKE CARE.

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Point c) you can describe more in detail... Describe is generally 4-5 marks.

Point a is Explain and not Identify or state. So it could be explained more .

Can finish Assignment 3.3 Now and submit to the Teacher.

Well done Jun-

For you too point a) needs to be more explain and not just state.

Good Job Keane.

Are Evan, Joshua Shonita n Jessica absent?

Good Evaluation by Keane and Phoenix Eye haha

Good Job Cyrus and Marcus...Point b discussed well
and Thx

Well done JJ and Surbhi-
Just pay attention more on point d- evaluation which could be more elaborated.

Sean--- ???

Those who are done can finish Assignment 3.3 and submit

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a) untransformed corn was introduced so that there would be a control set-up so as to allow comparisons to be made as to the effect of bt corn as compared to the normal corn

b)the evidence shows that bt corn does affect the survival rates of the monarch butterfly.
bt corn has caused greater reduction in survival rates than non-bt corn

c)there is a slightly lower survival rate of the monarch butterfly caterpillars exposed to bt corn as compared to those exposed to non-bt corn pollen

d) the data collected is insufficient to tdraw a clear conclusion, since there is only a marginal difference between the survival rates of the csaterpillars exposed to bt corn and non-bt corn

THE END

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a) it acts as a control set-up which provides a basis of comparison between un-transformed corn and BT corn
b) evidence is present to support the effect of Bt corn on monarch butterfly survival. by observing graph b, it can be seen that the rate of decrease in the number of butterflies place near bt corn is greater than those placed near non-bt corn. error bars are useful in showing variance in the number of butterflies at the point of time.
c) there is a higher percentage of survival for the butterflies near the non-bt corn as compared to the bt-corn. this can be evidenced due to the lower rate of decrease of butterflies near non-bt corn than those near bt-corn.

d) the hypothesis is rejected as there is insufficient evidence to prove that the bt corn does in fact have any direct impact to the survival of the butterflies. by observing the graph, there is a negligible difference in the rate of decrease of butterflies near bt corn and non-bt corn

THE END

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A)to act as a control set up and for comparison
B) yes there is evidence that bt corn pollen has lowered the survival rate of the monarch butterfly as seen in graph B
Error bars do play a part as they show the varience in the data and its reliability.
C)

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Missing you Guys...
But you might be happy as I’m not there :((

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a) The untransformed corn was used as a controlled set up which allows comparison between un-transformed corn and BT corn

b)There is evidence which support BT corn pollen affect Monarch butterfly survival. As seen from the graph, there is a significant decrease in survival of butterfly larvae compared to the non BT corn

c) As seen from the graph b, the steeple gradient of the line compared to line A indicate that a higher death rate in butterfly larvae fed with BT corn compared to non BT corn.

d) The hypothesis is rejected as there is not enough data or evidence which shows a distinct correlation that BT corn do causes a higher mortality rate for the butterfly larvae. From graph A, there was no significant difference in mortality rate comparatively to graph b. Graph b do show a clear trend of BT corn causing a higher mortality rate. An extra experiment must be conducted for reliability of the data.

THE END
(☞ﾟヮﾟ)☞ ☜(ﾟヮﾟ☜)

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A) To act as a control setup in order to compare the results between the bt corn and the normal corn.
B) There is evidence that the pollen is affecting the Monarch butterfly. In graph B, The graph of Bt corn has had a greater decrease then the graph showing normal corn . As the days are increasing there is a decreasing value of Monarch Butterflies.
C) There is a higher death rate for the butterflies that were near the bt corn in comparison to the normal corn. The graphs were decreasing with a decreasing gradient
D) The hypothesis cannot be rejected or supported as there is only data from two different places. The data obtained is very close especially in graph A were the graph of bt corn is only slightly lesser then the normal corn. There is no significant difference yet. To be able to come to a conclusion whether the Butterflies are affected by the bt corn. To be able to come to a conclusion, the scientist could collect data from another place or collect a new set of results.
The end

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a) untransformed corn was included as a controlled set up in the experiment.

b)Yes, the evidence is shown in graph B that Bt Corn Pollen has decrease the percentage survival of Monarch butterflies. Error bars are useful as it show the reliability of the data between the survival rate of Monarch butterflies affected by Bt and Non-Bt Corn pollen.

c) Percentage survival of Monarch butterflies fed on milkweed with Bt Corn pollen are lower than Monarch butterflies fed on milkweed with Non-Bt Corn pollen in graph b. A similar trend of the percentage survival is shown in graph a between monarch butterflies fed with Bt and Non-Bt corn pollen.

d)The hypothesis should be rejected as graph a did not show evidence that Bt corn pollen cause a lower percentage survival in monarch butterflies.

The End. Rest well Ma'am!

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a) To act as a control and to have a comparison between untransformed corn and Bt corn.

b) Yes, there is evidence that shows Bt corn pollen affecting Monarch butterfly survival. Based on graph B, the percentage of survival of monarch butterflies for non-Bt corn is slightly higher than the survival of monarch butterflies for the Bt-corn.  Error bars are useful to show the reliability of the data collected.

c) The percentage survival of monarch butterflies with non Bt- corn is slightly higher than the percentage of monarch butterfly with Bt-corn. However, the percentage of survival of monarch butterfly that consumes Bt-corn and non Bt corn is very similar, following very similar trend.

d) The hypothesis is rejected as there are insufficient evidence to prove that the it affects the monarch butterflies significantly. Based on the graph, there is only a slight difference but there are not major difference which proves that Bt-corn has a significant affect on the survival of monarch butterflies.

THE END

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a) To show a comparison between un-transformed corn and BT corn by being a controlled set up.

b) Yes. In graph b, BT corn has resulted in greater decrease in survival of the larvae than un-transformed corn. Error bar shows the significance of the difference between the data of BT corn and

c) There are higher survival rates of larvae fed with BT corn than non-BT corn. This trend is clearly shown in graph b. However, in graph a, the difference between BT corn and non-BT corn is not large, and they follow a very similar trend.

d) It is rejected as there are not enough evidence that shows the adverse effect of BT corn on the organism. Especially in graph a, the difference between BT corn and non-BT corn is not significant.

The End.

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a) To act as a controlled set up. In order to compare the effect of Bt corn to non-Bt corn on the monarch butterfly larvae.

b) Yes there is evidence. It can be seen in Graph b that the Bt corn has caused a greater decrease in survival of Monarch Butterfly Larvae that non-Bt corn. Error bars are useful for discussion in order to compare if the difference between the Bt and non-Bt corn is significant.

c) There is a marginally higher mortality rate in Monarch butterfly larvae fed with Bt-corn pollen especially shown in graph b. However the mortality rate of the butterfly fed with Bt corn and non-Bt corn in graph a is about the same, showing not much correlation between Bt-corn and Monarch butterfly mortality

d) The hypothesis is rejected on the basis that there is insufficient evidence to show an adverse effect of Bt Corn on Monarch butterfly. In Graph a hardly any difference is observed between the Bt and non-Bt corn for example.

The End