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11.Organisms and Populations
easy
Give differences: Natality rate and Mortality rate
Option A
Option B
Option C
Option D
Solution
| Natality rate | Mortality rate |
| $(1)$ Number of births per $1,000$ individuals of a population per year. | $(1)$ Number of deaths per $1,000$ individuals of a population per year. |
| $(2)$ Increases population size and population density. | $(2)$ Decreases population size and density. |
Standard 12
Biology
Similar Questions
medium
The birth and death rates of four countries are given below. Which one will have the least population growth rate?
| $Country$ | $Birth\, rate$ $/1000$ | $Death$ $/1000$ |
| $M$ | $15$ | $5$ |
| $N$ | $25$ | $10$ |
| $O$ | $35$ | $18$ |
| $P$ | $48$ | $41$ |
medium
