Which of the Following Are Unique in That They Fix

question 10

Multiple Choice

Which of the following are unique in that they fix CO₂ as their sole carbon source?

• A) organotrophs and iron oxidizers
• B) photoheterotrophs and chemiolithotrophs
• C) photoautotrophs and lithotrophs
• D) heterotrophs and methanogens
• E) methanogens and photoheterotrophs

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Definitions:

Nonparametric Tests

Statistical tests used for data that does not necessarily meet the assumptions required for parametric tests, often used when data is not normally distributed.

Independent Samples

Two or more groups of samples that are not related or paired in any way, ensuring the observations in one sample do not influence the observations in another.

Nonparametric Test

A type of statistical test that does not assume a specific distribution for the data and is used for data that does not meet the assumptions of parametric tests.

Chi-square

A statistical test used to determine if a significant relationship exists between two categorical variables.