A Clade Is

question 13

Multiple Choice

A clade is

• A) a group of organisms and its most recent common ancestor.
• B) a group of organisms on a phylogenetic tree.
• C) a group of organisms that can interbreed and have fertile offspring.
• D) a group of organisms in an evolutionary line from ancestor to descendent.

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Definitions:

Average Amount

The sum of numerical values divided by the count of values, providing a central or typical value for a dataset.

Significance Level

The likelihood of incorrectly dismissing the null hypothesis in a statistical analysis, commonly represented by alpha, when it is in fact correct.

Type I Error

The mistake of rejecting the null hypothesis when it is actually true, commonly referred to as a "false positive" result.

Alpha (α)

A pre-specified significance level in hypothesis testing, representing the probability of making a Type I error, or falsely rejecting the null hypothesis.