Latest questions in this category.
Population dispersion is influenced by resource availability, determining whether individuals are clumped, uniform, or randomly distributed.
Ref: NCERT Class 12 Biology Chapter 11: Organisms and Populations Responses to Abiotic Factors - Regulate Conform Migrate Suspend
Humans exhibit a Type I survivorship curve, where mortality is low in early and middle life but increases in old age.
Ref: NCERT Class 12 Biology Chapter 11: Organisms and Populations Responses to Abiotic Factors - Regulate Conform Migrate Suspend
Tigers regulate prey populations and maintain ecosystem balance, making them keystone species.
Ref: NCERT Class 12 Biology Chapter 11: Organisms and Populations Responses to Abiotic Factors - Regulate Conform Migrate Suspend
An invasive species is one that is introduced into a new habitat and spreads aggressively, often harming native species.
Ref: NCERT Class 12 Biology Chapter 11: Organisms and Populations Responses to Abiotic Factors - Regulate Conform Migrate Suspend
Mutation affects genetic variation but does not directly influence population growth like natality, mortality, and migration.
Ref: NCERT Class 12 Biology Chapter 11: Organisms and Populations Responses to Abiotic Factors - Regulate Conform Migrate Suspend
r-selected species, like bacteria, reproduce rapidly with little parental care, while K-selected species, like elephants and whales, have slower reproduction.
Ref: NCERT Class 12 Biology Chapter 11: Organisms and Populations Responses to Abiotic Factors - Regulate Conform Migrate Suspend
Food availability depends on population density, whereas natural disasters are density-independent factors.
Ref: NCERT Class 12 Biology Chapter 11: Organisms and Populations Responses to Abiotic Factors - Regulate Conform Migrate Suspend
Invasive species can significantly alter ecosystem stability by reducing biodiversity and changing food web dynamics.
Ref: NCERT Class 12 Biology Chapter 11: Organisms and Populations Responses to Abiotic Factors - Regulate Conform Migrate Suspend
The carbon cycle occurs in both terrestrial and aquatic ecosystems, involving biological, geological, and chemical processes.
Ref: NCERT Class 12 Biology Chapter 11: Organisms and Populations Responses to Abiotic Factors - Regulate Conform Migrate Suspend
Predation helps regulate prey populations and maintain ecological balance, preventing overpopulation.
Ref: NCERT Class 12 Biology Chapter 11: Organisms and Populations Responses to Abiotic Factors - Regulate Conform Migrate Suspend
Density-dependent factors, such as disease, increase in effect as population density rises.
Ref: NCERT Class 12 Biology Chapter 11: Organisms and Populations Responses to Abiotic Factors - Regulate Conform Migrate Suspend
Biotic potential refers to the maximum reproductive capacity of a species under optimal conditions.
Ref: NCERT Class 12 Biology Chapter 11: Organisms and Populations Responses to Abiotic Factors - Regulate Conform Migrate Suspend
