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प्रश्न
Distinguish between Natality and Mortality.
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उत्तर
| Natality | Mortality |
| Natality is defined as the number of birth of organisms in a population of a specific area with the passage of time. | Mortality is defined as the number of deaths of organisms in a population of a specific area with the passage of time. |
| Natality is an inherent ability of a population to increase | Mortality decreases population size. |
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संबंधित प्रश्न
Construct an age pyramid which reflects an expanding growth status of human population.
Describe diagrammatic representation of age structure showing declining population.
Which of the following is wrongly matched?
Which district in TN has the highest sex ratio?
Which district has the lowest child sex ratio?
State any two districts with favourable sex ratio. Indicate the ratios.
On which of the following factors does the population growth of a country depends upon?
The type of population represented in the given age pyramid is
The type of population represented in the given age pyramid is ______.
What does 'N' represent in the given equation of population density?
[Nt+1 = Nt + [(B + I) - (D + E)]
Which of the following situations contributes to increase in density of population?
Calculate the birth rate if a population of 150 Paramoecium present in a pool increases to 450 after an hour.
Identify the type of population shown in the given figures (a and b).
Logistic growth curve has many phases which are respectively:
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 ____________.
From the given diagram, identify the type of population growth curve:
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. |
Which of the following conditions represents zero population growth?
In a growing population of a country, ______.
Identify ‘A’ in the given graph of population growth:
The aggregate of processes that determine the size and composition of any population is called ______.
How many national parks and sanctuaries are present in Maharashtra?
Identify the appropriate term for the number of births under ideal conditions:
Using the formula \[
D = \frac{N}{S}
\], if a forest region contains 500 trees and has an area of 50 square kilometers, what is the population density?
How does natality affect population size?
