Biologist: When bacteria of a particular species are placed in a test tube that has different areas lit with differen...

ruchitaj on August 5, 2020

Why is the answer not D?

I don't understand how to eliminate D to get to the right asnwer.

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ruchitaj on August 5, 2020

Sorry, posted on the wrong question.

shunhe on August 6, 2020

No worries, feel free to post on the other one so we can help!