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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Distinguish between Natality and Mortality. - Biology

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प्रश्न

Distinguish between Natality and Mortality.

फरक स्पष्ट करा
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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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Population
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 10: Organisms and Populations - Evaluation [पृष्ठ १७९]

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संबंधित प्रश्‍न

Describe steady population with the help of a pyramid.


Define the term natality.


Which district in TN has the highest sex ratio?


State any two districts with favourable sex ratio. Indicate the ratios.


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The number of individuals of population who left the habitat during the time period under consideration is known as ______.


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?


Which of the following attributes links ecology to population dynamics, genetics, and evolution?


The number of individuals present per unit space in a given time is known as ______.


In a population, natality is used to represent ____________.


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


What will be the net increase in the population if the average natality was 250, average morta1ity 240, immigration 20 and emigration 30?


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 ____________.


Changing nature of population is called ______ 


The type of natality that is relative to a specific criterion such as age is ______.


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

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


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