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प्रश्न
Construct an age pyramid which reflects an expanding growth status of human population.
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उत्तर
Growing population:
The population having larger number of individuals of the pre -reproductive age groups shows a very rapid growth rate. Thus is known as growing population.
Young individual in the age group (0-14 years) are included in pre-reproductive group, individuals in age group (15-59) are included in reproductive group and individuals in age group (60 yrs and above) are included in post reproductive group.
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संबंधित प्रश्न
Describe steady population with the help of a pyramid.
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Which district has the lowest child sex ratio?
The type of population represented in the given age pyramid is
The type of population represented in the given age pyramid is ______.
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[Nt+1 = Nt + [(B + I) - (D + E)]
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Calculate the birth rate if a population of 150 Paramoecium present in a pool increases to 450 after an hour.
What will be the net increase in the population if the average natality was 250, average morta1ity 240, immigration 20 and emigration 30?
Identify the type of population shown in the given figures (a and b).
Exponential growth equation is `"N"_"t" = "N"_0 "e"^pi` where Nt = population density after time t then what does N0, e and r refers to respectively ____________.
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Match the following Column I with Column II.
| Column I | Column II |
| A. Population | (i) Part of the earth has all ecosystems. |
| B. Community | (ii) Assemblage of all individuals belonging to different species of an area. |
| C. Ecosystem |
(iii) Group of similar individuals of the same species, found in an area. |
| D. Ecosphere | (iv) Interaction between living organisms and their physical environment. |
Match the following:
| Column A | Column B | ||
| (i) | Organism | (a) | Large unit with specific climatic zone |
| (ii) | Population | (b) | Different species in particular area |
| (iii) | Community | (c) | Same species in a geographical area |
| (iv) | Biome | (d) | Basic unit of ecological hierarchy |
