I’m not sure this is a tough question!!
Answer:
Due to optimum environment for microbes.
Explanation:
I selected Panel 1 as the ideal incubation site for culturing microbes because the environmental conditions such as temperature, humidity and nutrients medium etc are optimum. Microbes need a specific environmental conditions for its growth and development. If the environmental conditions are not suitable so it adversely affected the growth and development of microbes.
I believe the answer is B) multiple species because a population is only 1 species
I believe the answer to this is substitution <span />