Which of the Following Observations Would Best Support the Hypothesis

question 55

Multiple Choice

Which of the following observations would best support the hypothesis that the ability to form mycorrhizal associations arose very early in plant evolution?

• A) presence of genes in the earliest fungi that showed an ability to digest cellulose and lignin
• B) presence of genes for chitin in the oldest flowering plants and oldest fungi
• C) fossils that show hyphae wrapped around seeds
• D) formation of mycorrhizae by a flowering plant that expresses a gene from a liverwort

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Definitions:

Null Hypothesis

A hypothesis that assumes no significant difference or effect, serving as a default assumption to be tested against experimental data.

Wilcoxon Signed Rank Test

A non-parametric statistical hypothesis test used to compare two related samples, matched samples, or repeated measurements on a single sample to assess whether their population mean ranks differ.

Test Statistic

In hypothesis testing, the test statistic is a standardized value derived from sample data, used to make a decision about the null hypothesis.

SPSS Output

The results generated by the Statistical Package for the Social Sciences, including statistical tests, tables, and graphs, after data analysis.