1. Tardigrade
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  3. Biology
  4. The population of an insect species shows an explosive increase in numbers during rainy reason followed by its disappearance at the end of the season. What does this show ?

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

AIPMTAIPMT 2007Organisms and Populations

Solution:

J-shape of growth pattern can be easily observed in algae blooms, some insects, annual plants and the lemmings of Tundra. In the beginning density of the population increases rapidly in compound interest fashion and then stops abruptly as the environmental resistance or other limiting factors become effective. These factors may be food, space, seasonal (frost, excessive rain etc.) or the termination of reproduction session.