Use of Antibiotics in Animal Feed Leads to Antibiotic- Resistant

question 12

Multiple Choice

Use of antibiotics in animal feed leads to antibiotic- resistant bacteria because

• A) The antibiotics cause new mutations to occur in the surviving bacteria, which results in resistance to antibiotics.
• B) Bacteria from other animals replace those killed by the antibiotics.
• C) The antibiotics kill susceptible bacteria, but the few that are naturally resistant live and reproduce, and their progeny repopulate the host animal.
• D) The few surviving bacteria that are affected by the antibiotics develop immunity to the antibiotics, which they pass on to their progeny.
• E) The antibiotics persist in soil and water.

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Definitions:

Origination Rate

Refers to the speed at which new species or phenomena emerge within a specific period.

Beetles

An order of insects known as Coleoptera, characterized by a pair of hard forewings covering their flying wings.

Atmospheric Carbon Dioxide

The concentration of CO2 in the Earth's atmosphere, a significant greenhouse gas contributing to global warming.

Adaptive Radiation

An evolutionary lineage that has undergone exceptionally rapid diversification into a variety of lifestyles or ecological niches.