Describe any patterns that you can see in the Incidence of cholera in Dhaka between January 1980 and March 1998. B. Describe any relationship that you can sea surface temperature and the Incidence of cholera in Dhaka use figures from the graphs to support your answer. C. Describe how cholera is transmitted

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
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. Describe any patterns that you can see in the Incidence of cholera in Dhaka between January 1980 and March 1998. B. Describe any relationship that you can sea surface temperature and the Incidence of cholera in Dhaka use figures from the graphs to support your answer. C. Describe how cholera is transmitted from one person to another. D. Suggest why the number of cholera cases might be affected by sea surface temoersture(you maybe able to think of more than one reason) Second picture A. Describe the changes in the amount of vitamin D in the blood over the 72 your period. B. Name the part of the alimentary canal in which vitamin D is absorbed into the blood C. Liat three other subtances that are absorbed in this part of the alimentary canal D. Describe how this part of the alimentary canal is adapted to make absorption affiecient. E. Explain why vitamin D does not need to be digested before it is absorbed. F. The bolunteer was asked not to wxpise her skin to sunlight during the investigation. Suggest why this was done.

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A. Describe any patterns that you can see in the Incidence of cholera in Dhaka between January 1980 and March 1998.

 

B. Describe any relationship that you can sea surface temperature and the Incidence of cholera in Dhaka use figures from the graphs to support your answer.

 

C. Describe how cholera is transmitted from one person to another. 

 

D. Suggest why the number of cholera cases might be affected by sea surface temoersture(you maybe able to think of more than one reason) 

Scientists wondered if perhaps this pattern was related to the changes in the surface temperature of sea water that
Cholera is a serious illness caused by the bacterium Vibrio cholerae, which lives in water. Cases of cholera in some
O Exercise 7.4 Cholera patterns in Bangladesh
In this exercise, you are asked to look for patterns in data, and to suggest explanations for them (A02).
countries seem to follow a pattern in which the pumber of cases rises every few years and then falls again.
happen every few years.
They recorded the number of cholera cases in Dhaka, Bangladesh, between January 1980 and March 1998. They al
recorded the surface temperature of sea water. Their results are shown in the graphs.
This is called the El Nino Surface Oscillation, or ENSO for short.
50
40-
30-
% cholera
cases
20-
10-
1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999
Year
50 -
40-
Sea surface
30-
temperature
1°C
20-
10-
1980 1981 1982 1983 1984 I985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1977
Year
a Describe any patterns that you can see in the incidence of cholera in Dhaka between January 1980 and March
1998.
Transcribed Image Text:Scientists wondered if perhaps this pattern was related to the changes in the surface temperature of sea water that Cholera is a serious illness caused by the bacterium Vibrio cholerae, which lives in water. Cases of cholera in some O Exercise 7.4 Cholera patterns in Bangladesh In this exercise, you are asked to look for patterns in data, and to suggest explanations for them (A02). countries seem to follow a pattern in which the pumber of cases rises every few years and then falls again. happen every few years. They recorded the number of cholera cases in Dhaka, Bangladesh, between January 1980 and March 1998. They al recorded the surface temperature of sea water. Their results are shown in the graphs. This is called the El Nino Surface Oscillation, or ENSO for short. 50 40- 30- % cholera cases 20- 10- 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 Year 50 - 40- Sea surface 30- temperature 1°C 20- 10- 1980 1981 1982 1983 1984 I985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1977 Year a Describe any patterns that you can see in the incidence of cholera in Dhaka between January 1980 and March 1998.
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