Imagine That a Researcher Has Created Two Possible Phylogenetic Trees

question 151

True/False

Imagine that a researcher has created two possible phylogenetic trees for a group of organismsone that hypothesizes that five character changes occurred in a given group, and one that predicts only two character changes occurred in the same group. If the researcher wants to choose a phylogenetic tree based on parsimony, she will pick the phylogenetic tree with two character changes as her working hypothesis.

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Definitions:

Explanandum

The phenomenon or event that is explained by a scientific theory or hypothesis.

False

Refers to something that is not in accordance with truth or fact.

Hypotheses

A proposed explanation for a phenomenon, subject to further investigation or testing.

Explanation

The act of making something clear or understandable, typically by describing the relevant structure, mechanism, or reasons.