In a Phylogenetic Tree, a Node or Branching Point Represents

question 113

Multiple Choice

In a phylogenetic tree, a node or branching point represents:

• A)the common ancestor from which the descendent species diverged.
• B)the species in the fossil record from which the descendent species diverged.
• C)one of the descendent species in the phylogeny.
• D)the ancestral species from which all species in the phylogeny arose.
• E)None of the answer options is correct.

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Definitions:

Well-Diversified Portfolios

Investment portfolios that are spread across various assets to minimize exposure to any single asset or risk.

Arbitrage Opportunities

Situations in which it is possible to simultaneously buy and sell an asset or assets to profit from a difference in prices across different markets or formats without risk.

Expected Excess Return

The return on an investment over the risk-free rate of return that is anticipated based on risk assessment.