I do not know but it is a very interesting question that should be further explored, by someone willing. It is a very good question indeed.
insects are used for pollinating and regrowing more plants.
Lepidopterous insects and wind
Some environmental changes will result in an increase in the number of light-coloured insects whereas other changes will cause a decrease. The answer depends on the specific environmental change - which has not been specified.
Flowers have some fragrance which attract pollinating insects..
To attract pollinating insects.
Mainly bees and other flying insects.
No, but bees do nearly 90 per cent of all pollinating done by insects.
No, they are self-pollinating and insects also help out.
Pollen can be scattered by wind, or by pollinating insects such as bees.
Bumblebee
for starters insects are food for some animals. Then... every insect helps in its way. Like the bee is pollinating flowers.
Insects are the most abundant animal on the planet, and they do many important things for Earth, such as pollinating plants and decomposing dead plants and animals.