The variables that investigators try to keep the same for both the experimental and the control groups are
a. independent.
b. controlled.
c. dependent.
d. a and c.
d
Biology & Microbiology
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The light-harvesting pigments in Bacteria are classified as bacteriochlorophylls
Indicate whether the statement is true or false.
Biology & Microbiology
Bdellovibrio
A. prey on other bacteria. B. are parasites of plants. C. may fix nitrogen. D. are photosynthetic.
Biology & Microbiology
In which demographic model is population
growth the fastest?
a. pre-industrial b. transitional c. industrial d. postindustrial e. transformational
Biology & Microbiology
What is the specialized branch of mathematics that is used to compare data?
A) epidemiology B) computational mathematics C) cross-sectional mathematics D) statistics
Biology & Microbiology