Question

The population of an insect species shows an explosive increase in number during rainy season followed by its disappearance at the end of the season. What does this show?

• A. The food plants mature and die at the end of the rainy season.
• B. Its population growth curve is of the J-type.
• C. The population of its predators increases enormously.
• D. S-shaped or sigmoid growth of this insect.

Answer 1

The correct option is B Its population growth curve is of the J-type.

Its population growth curve is J-shapd in which the density increases rapidly in an exponential fashion and then stops abruptly as environmental resistance or another limiting factor becomes effective more or less suddenly.