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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
Describe steady population with the help of a pyramid.
Define the term natality.
In literacy rate, TN ranks
Which district in TN has the highest sex ratio?
Which Union Territory has the highest sex ratio?
Complete the given analogy.
Mortality: No. of deaths in a population during a given period:: Emigration: ____________.
The number of individuals of population who left the habitat during the time period under consideration is known as ______.
Which of the following is INCORRECT?
On which of the following factors does the population growth of a country depends upon?
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 ____________.
Population density at time 't+ l' can be correctly represented as ______.
In a population, natality is used to represent ____________.
A population is a group of all ____________ in a given time.
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. |
Identify ‘A’ in the given graph of population growth:
How many national parks and sanctuaries are present in Maharashtra?
Identify the appropriate term for the number of births under ideal conditions:
Explain the term Emigration.
