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. |
Similar Questions
$I.$ Population evolve to maximise their reproductive fitness, also called Darwinian reproductive fitness (higher $r$ value), in the habitat in which they live
$II.$ The population growth rate $r$ is inversely related to generation time
$III.$ The housefly, which has a short life span and produces a large number of eggs, could be considered as a ' $K$ ' selected species
$IV.$ Under a particular set of selection pressures, organisms evolve towards the most efficient reproductive strategies
$V.$ Life history traits of organisms have evolved in relation to the constraints imposed by biotic and abiotic factors in their habitat Select the combination of correct statements
$I.$ Population evolve to maximise their reproductive fitness, also called Darwinian reproductive fitness (higher $r$ value), in the habitat in which they live
$II.$ The population growth rate $r$ is inversely related to generation time
$III.$ The housefly, which has a short life span and produces a large number of eggs, could be considered as a ' $K$ ' selected species
$IV.$ Under a particular set of selection pressures, organisms evolve towards the most efficient reproductive strategies
$V.$ Life history traits of organisms have evolved in relation to the constraints imposed by biotic and abiotic factors in their habitat Select the combination of correct statements
If the mean and the median pertaining to a certain character of a population are of the same value, the following is most likely to occur
If the mean and the median pertaining to a certain character of a population are of the same value, the following is most likely to occur
$A$ : Environmental resistance operate to slow down exponential phase in logistic population.
$R$ : Crash phase does not occur in this population
$A$ : Environmental resistance operate to slow down exponential phase in logistic population.
$R$ : Crash phase does not occur in this population
A population growing in a habitat with limited resources shows four phases of growth
in the following sequence
A population growing in a habitat with limited resources shows four phases of growth
in the following sequence
What is meant by growth models?
What is meant by growth models?