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 food plants mature and die at the end of the rainy season.
Its population growth curve is of $J$-type.
The population of its predators increases enormously
$S$-shaped or sigmoid growth of this insect
The graph in exponential growth will be
Sigmoid growth curve is represented by
Which of the following is considered as more realistic growth model?
A population growing in a habitat with limited resources shows four phases of growth
in the following sequence
Which of the following flowers only once in its life-time?