Question

Before industrialisation, in collections made in the 1850s in England, which moths were more numerous on trees?

विकल्प

• Dark-winged moths

• White-winged moths

• Melanic moths only in rural areas

• No moths were seen on trees.

Answer 1

Collections made in the 1850s before industrialisation contained more white-winged moths than dark-winged moths. The tree trunks then had an almost white-coloured lichen background.