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Bacteria and Protists: Mastery Test
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Select the correct structure
The image shows a paramecium and a bacterium. One of these organisms is very good at rapidly adapting to environmental changes because it
has the ability to take in stray genetic information from the environment. Which structure allows the organism to do this?
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paramecium
bacterium
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Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a. one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b. one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c. one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.

How does the carbon cycle involve an exchange of carbon

Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above