English

Distinguish between Natality and Mortality.

Advertisements
Advertisements

Question

Distinguish between Natality and Mortality.

Distinguish Between
Advertisements

Solution

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.
shaalaa.com
  Is there an error in this question or solution?
Chapter 10: Organisms and Populations - Evaluation [Page 179]

APPEARS IN

Samacheer Kalvi Biology (Zoology) [English] Class 12 TN Board
Chapter 10 Organisms and Populations
Evaluation | Q 24. | Page 179
Samacheer Kalvi Biology (Zoology) [English] Class 12 TN Board
Chapter 11 Organisms and Populations
Evaluation | Q 24. | Page 195

RELATED QUESTIONS

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 Union Territory has the highest sex ratio?


Identify the type of growth in the given figure of age pyramid.


     Age pyramid


Population density increases due to ______.


Population density at time 't+ l' can be correctly represented as ______.


The type of population represented in the given age pyramid is ______.


The birth rate of a population is also known as______.


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.


Which of the following situations contributes to increase in density of population?


Identify the type of population shown in the given figures (a and b).


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.

In a growing population of a country, ______.


How many national parks and sanctuaries are present in Maharashtra?


What are the decisive factors for population density?


Identify the appropriate term for the number of births under ideal conditions:


Explain the term Emigration.


According to population ecology principles, at which level does natural selection operate?


If a pond with an average population of 20 lotus plants experiences 8 new plants through reproduction in one year, what is the natality rate?


In a laboratory container with 40 fruit flies, if 4 die within a week, what is the mortality rate?


How does mortality affect population size?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×