HELP ASAP! BIOLOGY
Bacteria can illustrate evolution occurring at a rapid rate. This is done by...
A. growing bacteria in a petri dish and making observations under a microscope B. comparing bacterial growth when interacting with antibiotics
C. repeatedly exposing a bacterial sample to the same antibiotic to see if the resistance changes.
D. Bacteria are single-celled organisms and do not evolve over time.

Question

12-04-2018
Biology

contestada

HELP ASAP! BIOLOGY
Bacteria can illustrate evolution occurring at a rapid rate. This is done by...
A. growing bacteria in a petri dish and making observations under a microscope B. comparing bacterial growth when interacting with antibiotics
C. repeatedly exposing a bacterial sample to the same antibiotic to see if the resistance changes.
D. Bacteria are single-celled organisms and do not evolve over time.

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hisroyal1 hisroyal1 · Answer 1 · 2018-04-22T03:09:27+02:00

The correct answer is OPTION C - repeatedly exposing a bacterial sample to the same antibiotic to see if the resistance changes.

Antibiotic resistance develops as a result of evolution via natural selection. When a bacteria sample is exposed repeatedly to the same antibiotic, certain bacteria in the sample may develop a from of mutation, which allows them to survive, and live on to reproduce. The surviving bacteria will then pass this trait to their offspring, thus evolving into a new drug-resistant strain, with a fully resistant generation of bacteria.