Artificial Selection: Shaping Life
An 11th-grade science worksheet exploring the principles, methods, and impacts of artificial selection.
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Artificial Selection: Shaping Life
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Read each question carefully and answer to the best of your ability. Provide detailed explanations where requested.
1. Which of the following best defines artificial selection?
A process where organisms adapt to their environment naturally.
The intentional breeding of plants and animals for desirable traits.
The random mutation of genes within a population.
The extinction of species due to environmental changes.
2. Which of the following is an example of artificial selection?
Finches on the Galapagos Islands developing different beak shapes.
The development of antibiotic-resistant bacteria.
Farmers breeding cows for increased milk production.
Peppered moths changing color to blend with soot-covered trees.
3. Artificial selection is also known as .
4. The process of artificial selection relies on the presence of within a population.
5. Charles Darwin used the example of breeding to illustrate his theory of natural selection.
6. Artificial selection always leads to healthier and more robust organisms.
True
False
7. The genetic diversity of a population generally increases with extensive artificial selection.
True
False
8. Explain how artificial selection differs from natural selection.
9. Describe one positive and one negative consequence of artificial selection in agriculture.
Match the term on the left with its description on the right.
10. Domestication
a. Breeding individuals with similar traits to maintain them.
11. Inbreeding
b. The process of taming animals and cultivating plants for human use.
12. Hybridization
c. Crossing individuals with different desirable traits to produce offspring with a combination of those traits.
13. Discuss the ethical considerations surrounding artificial selection, particularly in the context of genetic engineering and its potential impact on biodiversity.