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प्रश्न
Comment on the growth curve given below.
उत्तर
The growth curve shown above is the logistic growth curve or S-shaped curve. Logistic growth curve is considered more realistic because unlimited resources are not available in an ecosystem or in a habitat, where K-stands for carrying capacity. N-indicates population density, which is the number of species of a population per unit area. r-is for intrinsic rate of natural increase.
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संबंधित प्रश्न
Identify the correct correlation :
A: Assertion; R: Reasoning
A: In stage 2, the death rate reduces but the birth rate is constant.
R: The population increases rapidly in stage 2.
Give a geographical reason:
Population may increase though birth rates are low.
What is population growth? What does population change indicate for an area?
The term Crude Birth Rate (CBR) is closest to which of the following?
India's population is larger than the total population of which of the following?
A population of Paramoecium caudatum was grown in a culture medium. After 5 days the culture medium became overcrowed with Paramoeium and had depleted nutrients. What will happen to the population and what type of growth curve will the population attain? Draw the growth curve.
"Migration may be interpreted as a spontaneous effort to achieve a better balance between population and resources." Examine the statement in context of pull and push factors that influence migration.
Assertion: Population of a region does not change.
Reasoning: Birth rate, death rate and migration affect the population of a region.
Define the following term:
Growth rate of population
Assertion (A): Population of a region does not change.
Reasoning (R): Birth rate, death rate and migration affect the population of a region.
