The amount of light the plants received affected how the plants grew.
Hope this helps
Likely, B is the expected answer.
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As one who has suffered health problems for more than 40 years due to the desire of certain chemical industries to make money by polluting my food, I can barely remain civil when discussing genetic modification. Plants with built-in pesticides are bad news on so many levels it would take a library of books to discuss them all. What, after all, is the benefit of efficiently producing poison?
Answer:
It helps in the identification of living organisms as well as in understanding the diversity of living organisms. To understand and study the features, similarities and differences between different living organisms and how they are grouped under different categories.