मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Distinguish between Natality and Mortality.

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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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पाठ 10: Organisms and Populations - Evaluation [पृष्ठ १७९]

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व्हिडिओ ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्‍न

Describe steady population with the help of a pyramid.


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Which Union Territory has the highest sex ratio?


In human development index, TN is ranked


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


The number of individuals of the same species that have come into the habitat from elsewhere during the time period under consideration is known as ______.


Population density increases due to ______.


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


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 ____________.


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 ______.


What can you interpret from an age pyramid with a broad base?


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


The birth rate of a population is also known as______.


In a population, natality is used to represent ____________.


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.


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 ____________.


A population is a group of all ____________ in a given time.


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


How many national parks and sanctuaries are present in Maharashtra?


Explain the term Emigration.


The above graph indicates ______ with relation to population.


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