Which example does NOT describe changes due to selective breeding?

A- A rose grower cross-pollinates roses to produce brightly-colored flowers.

B- The winner of a horse race is bred with the fastest mares to produce the fastest race horses.

C- Bacteria become more resistant to antibiotics that are used to treat bacterial infections.

D- A dog breeder pairing males and females for breeding based on the animals' temperaments.

C- Bacteria become more resistant to antibiotics that are used to treat bacterial infections.

Explanation:

Selective breeding involves humans breeding plants and animals by choosing which animal or plant males and females will sexually reproduce and have offspring together. This is usually done to achieve a particular favorable phenotypic trait in the new offspring.

Bacteria become more resistant to antibiotics that are used to treat bacterial infections doesn’t undergo any selective breeding process by humans which makes it the right answer.

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