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Answer the following problems.

problem 1) What are likely to be the limiting factors in a population of (a) green plants, (b) birds?

problem 2) What is meant by the expression ‘infant mortality’?

problem 3) What is meant by a ‘fertility rate of 3’?

problem 4) Each of the following events could result in population growth, but only if certain other conditions are fulfilled. In each case, suggest what these conditions are.

(a) Birth rate increases.

(b) Death rate decreases.

(c) More people live to reproductive age.

(d) Infant mortality decreases.

(e) Life expectancy increases.

problem 5) If 65 year-old women in Britain have a life expectancy of 13 years, what will be their average age at death?

problem 6) State the changes in society which could contribute to a falling death rate.

problem 7) State three conditions in a society which could contribute to a reduction in the birth rate.

problem 8) How would an increase in the fertility rate affect the age structure of a population?

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  • Category:- Biology
  • Reference No.:- M95217

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