NEETZoologyEvolution
The appearance of antibiotic-resistant bacteria is an example of:
Options
- Aadaptive radiation
- Btransduction
- Cpre-existing variation in the population
- Ddivergent evolution
Correct answer
C. pre-existing variation in the population
Step-by-step solution
Resistant organisms/cells are appearing in a time scale of months or years and not centuries. They are examples of evolution by anthropogenic action.