Question

# According to Darwin's ideas, what is the cause of a change in the adaptations of a species over time? Describe a specific example.

Solution

Verified

According to Darwin, the changes in the adaptations of species are caused by some changes in the environment. If old traits become not suited to the new environment, evolution via natural selection happens. One example is the way the color of the moths adapted to the changing environment during industrialization. Pollution has stained trees and caused the color of the moths to become darker. Because of this, it protected them against the birds that prey on them. Instead, the birds consumed light-colored moths, which resulted in a decline in the population of light-colored moths. This is the reason why there are more dark-colored moths in urban areas.

## Recommended textbook solutions

#### Biology

1st EditionISBN: 9780132013499 (1 more)Kenneth R. Miller, Levine
2,470 solutions

#### Biology

1st EditionISBN: 9780133669510 (3 more)Kenneth R. Miller, Levine
2,591 solutions

#### Nelson Science Perspectives 10

1st EditionISBN: 9780176355289Christy C. Hayhoe, Doug Hayhoe, Jeff Major, Maurice DiGiuseppe
1,359 solutions

#### Miller and Levine Biology

1st EditionISBN: 9780328925124 (3 more)Joseph S. Levine, Kenneth R. Miller
1,773 solutions