Advertisements
Advertisements
Question
What is ‘carrying capacity’ of a species in a habitat ? Why is logistic growth model considered more realistic?
Solution
Carrying capcity (K) :
(i) In a nature a given habitat has enough resources to support a maximum possible number beyond which no further growth is possible this limit is called nature's carrying capcity (K) for that species in that habitat.
(ii) Logistic growth model considered more realistic because resources for growth for most animal populations are finite and become limiting sooner or later.
APPEARS IN
RELATED QUESTIONS
Examine the following statement and correct the incorrect one.
Developing countries have an HDI of 1.
Write a short note on the correlation between birth rates and death rates.
The continent that has the lowest growth rate of population.
Which of the following is not a pull factor?
Which of the following is not a push factor for migration?
When the birth rate is more than the death rate between two points of time, it is known as ______
Which of the following pairs is not correctly matched?
Examine the different aspects of the growth of population in India during 1951-1981 and 1981-2021.
Consider the following and choose the correct answer with the help of given codes-
| STAGES OF POPULATION | GROWTH FEATURES |
| I Period between 1901 to 1921 | 1. Period of steady growth |
| II Period between 1921 to 1951 | 2. Phase of stagnant growth of Population |
| III Period between 1951 to 1981 | 3. High but decreasing growth rate |
| IV After 1981 till present | 4. Period of population explosion |
Assertion: Population of a region does not change.
Reasoning: Birth rate, death rate and migration affect the population of a region.
