Question:
Number of new individuals produced in a unit time, per unit population is called:
Number of new individuals produced in a unit time, per unit population is called:
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Natality increases population size, while mortality decreases it.
Updated On: Jun 19, 2026
- Immigration
- Natality
- Emigration
- Mortality
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The Correct Option is B
Solution and Explanation
Step 1: Understand population terms.
In population ecology, various parameters describe changes in population size such as birth rate, death rate, immigration, and emigration.
Step 2: Define natality.
Natality refers to the number of new individuals produced per unit time in a population.
Step 3: Match with given definition.
The question defines "new individuals produced in a unit time per unit population," which directly corresponds to natality.
Step 4: Analyze other options.
Immigration refers to entry of individuals, emigration refers to exit, and mortality refers to death rate. None match the definition.
Step 5: Concept clarity.
Natality is a key parameter that increases population size.
Step 6: Conclusion.
Therefore, the correct answer is natality.
In population ecology, various parameters describe changes in population size such as birth rate, death rate, immigration, and emigration.
Step 2: Define natality.
Natality refers to the number of new individuals produced per unit time in a population.
Step 3: Match with given definition.
The question defines "new individuals produced in a unit time per unit population," which directly corresponds to natality.
Step 4: Analyze other options.
Immigration refers to entry of individuals, emigration refers to exit, and mortality refers to death rate. None match the definition.
Step 5: Concept clarity.
Natality is a key parameter that increases population size.
Step 6: Conclusion.
Therefore, the correct answer is natality.
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