Which of the Following Statements About Monophyletic Groups Is True

question 22

Multiple Choice

Which of the following statements about monophyletic groups is true?

• A) They are clades.
• B) They include all descendants of the common ancestor of the members of the group.
• C) At least two "cuts" are required to remove a monophyletic group from a phylogenetic tree.
• D) Both a and b
• E) Both b and c

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Definitions:

Marginal Social Benefit

The additional benefit received by society as a whole from consuming one more unit of a good or service.

Public Good

A good or service offered to every member of a community free of charge, supplied either by the government or a non-profit private entity.

Excludable

A characteristic of a good or service that allows owners or producers to prevent its use by people who have not paid for it.

Nonpayers

Individuals who benefit from a good or service without contributing to its cost, often associated with public goods.