Using information from the graph in Figure 2, answer the following questions: i) During what months does oestrus occur in each group? ii) Give ONE advantage of this pattern of oestrus to the sheep in the control group. Explain your answer. iii) What information can be deduced from this experiment.
Using information from the graph in Figure 2, answer the following questions: i) During what months does oestrus occur in each group? ii) Give ONE advantage of this pattern of oestrus to the sheep in the control group. Explain your answer. iii) What information can be deduced from this experiment.
Human Anatomy & Physiology (11th Edition)
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Transcribed Image Text:d) The graph in Figure 2 shows the effect of light on the period of oestrus in two groups of female
sheep. The females in the control group were subjected to the normal seasonal variation in day
length. Partially through the first year of the experiment, sheep in the experimental group were
subjected to reversed day-length cycle. The period of oestrus of each group of sheep is shown in
solid bands above the graph (Figure 2).
Control
Periods of oestrus
Experimental
XX
20-
18
Experimental
16-
14-
12-
10-
8-
6-
Control
Jun Aug Oct Dec Feb Apr Jun Aug Oct Dec Feb
Month
FIGURE 2
Length of daylight/hours
Transcribed Image Text:Using information from the graph in Figure 2, answer the following questions:
i) During what months does oestrus occur in each group?
ii) Give ONE advantage of this pattern of oestrus to the sheep in the control group.
Explain your answer.
iii) What information can be deduced from this experiment.
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