Question

10. When measuring population growth, what does negative growth mean? Positive growth? 11. When measuring population growth, what is meant by a stable population? Use an age structure diagram in your answer (You may hand draw the diagram with a ruler) 12. What are limiting factors? How do they affect carrying capacity?

Answer 1

Answer:

1. Negative growth in a population means there is more no of post reproductive age group than the reproductive and pre-reproductive ones . That leads to decreased population growth hence negative. Positive growth in a population means there are more reproductive and pre-reproductive age group than the post reproductive ones. That leads to expansion of population.

2. A stable population signifies to a population containing equal no of pre and post reproductive age groups which maintains a balance in the population. Most developed countries come under this.

Age Male Population Female

3.Limiting factors are the ones that decide the growth of a population and eventually is responsible for lowering the population. The carrying capacity(maximum no of population supported by a particular environment) is dependent upon the limiting factor and fluctuate according to it.

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