Although change in multicellular species usually takes thousands of years, some species of bacteria undergo major changes in just a few years. One reason for this difference is that these bacteria
are microscopic do not contain DNA reproduce very quickly cause infectious diseases
Question: Although change in multicellular species usually takes thousands of years, some species of bacteria undergo major changes in just a few years. One reason for this difference is that these bacteria
A. are microscopic
B. do not contain DNA
C. reproduce very quickly
D. cause infectious diseases
Answer: