Give differences: $\mathrm{S}$ - shaped and $\mathrm{J}$ - shaped growth curve
Give differences: $\mathrm{S}$ - shaped and $\mathrm{J}$ - shaped growth curve
| $S$ - shaped growth curve | $J$ - shaped growth curve |
| $(1)$ It is formed of 5 phases : lag phase, positive acceleration phase, exponential phase, negative acceleration phase and stationary phase. | $(1)$ It is formed of $2$ phases: lag phase and exponential phase. |
| $(2)$ Finally, the population shows zero growth rate as birth rate equals to death rate. | $(2)$ Finally, the population shows a population crash due to rapid increase in mortality rate. |
| $(3)$ e.g., Yeast cell in culture medium. | $(3)$ e.g., Reindeers, algal blooms, lemmings o Tundra. |
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Assertion : The sex ratio of Kerala is highest in India.
Reason : In countries like India the population is increasing at a rapid rate.
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Reason : In countries like India the population is increasing at a rapid rate.
- [AIIMS 2005]