3 Questions
Which of the following factors can contribute to population growth?
Increased immigration
Which of the following is an example of a density-dependent factor affecting population size?
Competition for resources
What is the primary cause of population decline?
Emigration
Study Notes
Population Growth and Decline
- Factors contributing to population growth include high birth rates, low death rates, and immigration.
- Density-dependent factors, such as disease, predation, and competition for resources, can affect population size.
- An example of a density-dependent factor is a disease outbreak that spreads more easily in a densely populated area.
- The primary cause of population decline is typically high death rates, low birth rates, or emigration.
Test your knowledge of population growth and factors affecting population size in this biology quiz for ICSE class 10. Explore factors contributing to population growth, the primary cause of population decline, and examples of density-dependent factors.
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