Question

natural selection is often termed as \____ of the fittest.\ darwins finches on the galápagos islands exhibited various __ shapes and sizes based on available food sources. during the industrial revolution, the peppered moths dark color became advantageous due to __ covered trees. artificial selection involves the __ and human - controlled modification of organisms for specific traits. dog breeds showcase the result of __ breeding for traits like size, temperament, and specialized skills. maize, or corn, transformed from its wild ancestor, teosinte, through the process of __ breeding. __ selection is primarily driven by environmental pressures like climate change and competition for resources. human preferences and intentional breeding practices characterize ____ selection.

Explanation:

1. Natural selection is often called "survival of the fittest" as those best - adapted survive.
2. Darwin's finches had different beak shapes and sizes due to adaptation to food sources.
3. During the Industrial Revolution, soot from factories covered trees, making the dark - colored peppered moths more camouflaged.
4. Artificial selection is the deliberate and human - controlled modification of organisms.
5. Dog breeds are a result of artificial breeding for specific traits.
6. Maize was transformed from teosinte through artificial breeding.
7. Natural selection is driven by environmental pressures.
8. Human preferences in breeding practices are characteristic of artificial selection.

Answer:

1. survival
2. beak
3. soot
4. deliberate
5. artificial
6. artificial
7. Natural
8. artificial