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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
Define the term natality.
In sex ratio, Tamil Nadu ranks
In literacy rate, TN ranks
Which district in TN has the highest sex ratio?
Which district has the lowest child sex ratio?
Describe the qualitative aspects of population.
Population density increases due to ______.
Which of the following is INCORRECT?
On which of the following factors does the population growth of a country depends upon?
Which phase of the Logistic growth curve shows that the population density has reached the canying capacity in a habitat with limited resources?
What can you interpret from an age pyramid with a broad base?
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.
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).
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 ____________.
Mortality of a region is assessed by ____________ of individuals per unit area per unit time.
A population is a group of all ____________ in a given time.
Changing nature of population is called ______
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:
What are the decisive factors for population density?
Identify the appropriate term for the number of births under ideal conditions:
Explain the term Emigration.
