The development of insects occurs with complete and incomplete transformation. At what development does the decrease

The development of insects occurs with complete and incomplete transformation. At what development does the decrease in competition within the species occur, why? Give an example to explain the decline in competition.

1) With the development of insects with complete transformation, there is a decrease in competition within the species
2) The larva and adult insects, during development with complete transformation, as a rule, feed on different foods and occupy different habitats
3) an example is the larva and adult insect of the beetle. The larva lives in the soil and feeds on humus, roots of grasses, shrubs and trees, depending on age. An adult insect lives on trees, leads a twilight lifestyle, feeds on birch leaves

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