Most scientists do not use the metric system or SI.
Explanation
Biological investigations is the way in which scientists and researchers use a systematic approach to answer questions about the world around us.
-It is a systematic process that involves; making an observation, stating a question, formulating a hypothesis, conducting an experiment analyzing the data and drawing conclusions.
The idea of using scientific method in conducting any investigation is that we should observe carefully and measure accurately, communicate effectively, make inferences rationally and develop hypothesis logically.
The correct answer is letter D.
The statement, "most scientists do not use the metric system or SI,"
is not true when performing biological investigations. In fact, all scientists
use this type of system in order to communicate the same information to other
scientists around the world.
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The factor that is responsible for the phenomenon of the blood group B being almost absent in Native Americans whose ancestors arrived in very small numbers about 10,000 years ago would be called the 'founder effect'.
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