Question

read the sentences below, filling in the blanks with items from this list. each item will be used once.
deliberate
artificial
selective
survival
artificial
survival
dog
beak
natural
selective
natural selection is often termed as \
______________________ of the fittest.\
darwins finches on the galapagos 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.
natural selection leads to adaptations that confer
______________________ advantages for survival in
specific environments.
______________________ selection produces rapid
and sometimes extreme changes in traits within
populations.

Explanation:

• The phrase "survival of the fittest" is a well - known description of natural selection.
• Darwin's finches have different beak shapes and sizes related to their food sources.
• During the Industrial Revolution, the dark color of the peppered moth was an advantage as trees were covered with soot (a natural environmental change).
• Artificial selection is a deliberate (intentional) and human - controlled process.
• Dog breeds are created through selective breeding (artificial selection) for specific traits.
• Maize was developed from teosinte through artificial breeding.
• Natural selection is driven by environmental factors.
• Human - controlled and intentional breeding is artificial selection.
• Natural selection gives survival advantages.
• Artificial selection can cause rapid trait changes.

Answer:

1. survival
2. beak
3. soot
4. deliberate
5. selective
6. artificial
7. Natural
8. artificial
9. survival
10. Artificial