Question

A student notices the presence of some growth on a Petri dish left on a lab counter. What inference can she make about the Petri dish shown above?

Answer 1

Answer:

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Answer 2

An inference can be made that some microorganisms landed on the Petri plate and used its nutrients to multiply and grow.

Explanation:

• A surface containing any type of media can act as a source of nutrients for a number of microorganisms. In this case, the surface containing nutrients is the Petri plate.

• We also know that air is the carrier of all types of microorganisms.  

• These microorganisms search for a suitable environment to proliferate.

• Some of these microorganisms might have landed on the petri dish.

• The media in the Petri dish served as a suitable environment by providing nutrients for the proliferation of microbial growth.