Advertisements
Advertisements
Question
Describe steady population with the help of a pyramid.
Advertisements
Solution
When the pre-reproductive and the post-reproductive age groups in a population have almost the same number of individuals, then the population remains stable. This kind of population is called steady population. The young individuals in the age group of 0–14 years are proportional to the old individuals in the age group of 60 years and above.
APPEARS IN
RELATED QUESTIONS
In sex ratio, Tamil Nadu ranks
Which district in TN has the highest sex ratio?
In human development index, TN is ranked
State any two districts with favourable sex ratio. Indicate the ratios.
Which of the following is INCORRECT?
A biologist studied the population of rats in a barn. He found that the average natality was 300, average mortality 250, immigration 50 and emigration 100. The net increase in population is ____________.
What will be the birth rate per individual per hour of a population of 50 Paramoecium present in a pool. The population of Paramoecium increases to 150 within an hour.
Calculate the birth rate if a population of 150 Paramoecium present in a pool increases to 450 after an hour.
From the given diagram, identify the type of population growth curve:
The aggregate of processes that determine the size and composition of any population is called ______.
