On a Phylogenetic Tree, Two Clades That Emerge from the Same

question 85

Multiple Choice

On a phylogenetic tree, two clades that emerge from the same node are called ____ because they are each other's closest relatives.

• A) sister clades
• B) ancestral clades
• C) phyla
• D) families
• E) cousins

---

Definitions:

R-Squared Value

A numerical value indicating how much of the variability in a dependent variable can be accounted for by an independent variable(s) within a regression analysis framework.

Observed Variation

The variance noticed in data due to different factors that distinguish one piece of data from another.

X1

Often used to denote the first variable or predictor variable in statistical models and equations.

X2

X2 often symbolizes an algebraic expression where a variable, x, is squared or raised to the power of 2, indicating a quadratic relationship.