How did the Industrial Revolution impact the population of peppered moths in Britain? (1 point)
• The Industrial Revolution caused the proportions of each color morph in the population to become unequal.
• The Industrial Revolution caused the proportions of each color morph in the population to become equal.
• The light-colored moths became more common.
• The dark-colored moths became more common.
The Industrial Revolution caused the proportions of each color morph in the population to become unequal.
There are two varieties in a population of squirrels: short tails and long tails. Long-tailed squirrels are better at jumping and balancing in trees. Scientists observe that over the span of 100 years, the proportion of the population with long tails increases from 10% to 60%. Which statement is most likely?
(1 point)
• The proportion of short-tailed squirrels may have decreased due to an increase in trees.
• The proportion of long-tailed squirrels may have increased due to increased food availability.
• The proportion of long-tailed squirrels may have increased due to a decrease in trees.
• The proportion of short-tailed squirrels may have decreased due to decreased food availability.