Which of the Following Statements Is the Best Explanation of Why

question 20

Multiple Choice

Which of the following statements is the best explanation of why communities of microorganisms in biofilms are synergistic.

• A)The various microbial species in the biofilm interact with each other.
• B)One microbial species may produce a metabolic end product that can be used as a substrate by another species.
• C)The different microbial species can all grow together.
• D)The various microbial species can change the environment to their growth advantage,allowing all to grow better.

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Definitions:

Disconformity

A type of unconformity in the geologic record that represents a period of erosion or non-deposition between layers of sedimentary rock, where the rock layers are parallel but there is a noticeable gap in the geological time recorded.

Preserved Fossil

A remnant or impression of an organism from a past geologic age that has been preserved in rock.

Hard Parts

Refers to the durable skeletal elements of organisms, such as bones and shells, which are commonly preserved in the fossil record.

Geologic Timescale

A system of chronological dating that relates geological strata to time, used to describe events in the Earth's history.