I is answer. Don't open link. It is most likeky unsafe.
Answer:
The correct answer will be option-C.
Explanation:
The survivorship curves are the representation of the proportion of individuals of the given species which are alive at different ages in the population of species. The curves are represented in the form of a graph with the number of individuals plotted on the y-axis to the age of survivorship on the x-axis.
The survivorship curves are of three types: Type I, II and III out of which type three represents the population with equal probability of dying at all age groups. This is represented by a straight line on the graph.
Thus, Option-c is the correct answer.
The <u><em>correct answer</em></u> is:
He needs to select a more representative sample.
Explanation:
Choosing students from the basketball team for the sample he uses on a study of heart rates and exercise will be a biased sample. This is because students on the basketball team are potentially healthier than other students, which means that exercise will not have a large an effect on their heart rate as it would if they were not as healthy and not as physically fit.
In order to reduce the amount of bias, he should choose students from different groups throughout the school.
Answer:
Increase in France.
Explanation:
A 5-year increase in the average age of reproduction in both countries i.e. France and India, it will greatly affected the per capita birth rate of both countries but higher in France because the average age of reproduction is higher in France as compared to India. The average age of first reproduction is 15 years old in India and 20 years old in France but with the increase of 5 years, the average age of first reproduction is 20 years old in India and 25 years old in France.