Zero growth means :
Zero growth means :
- A
Natality balances mortality
- B
Natality is more than mortality
- C
Natality is less than mortality
- D
Natality is zero
Similar Questions
The population of an insect species shows an explosive increase in numbers during rainy season followed by its disappearance at the end of the season. What does this show ?
The population of an insect species shows an explosive increase in numbers during rainy season followed by its disappearance at the end of the season. What does this show ?
- [AIPMT 2007]
If the rate of addition of new members increases with respect to the individual host of the same population, then the graph obtained has:
If the rate of addition of new members increases with respect to the individual host of the same population, then the graph obtained has:
In India, if the marriage age is changed to $21$ years then
In India, if the marriage age is changed to $21$ years then
Maximum growth rate occurs in:
Maximum growth rate occurs in: