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If Two Nonsister Species (Any Pair of Species Other Than

question 30

Essay

If two nonsister species (any pair of species other than Species 2 and 3) on the phylogenetic tree in the figure below differ from the other two in a single character state (e.g., the nonsister species have light fur, whereas the sister species have dark fur), where would the likely evolutionary change(s) be? Indicate change(s) by drawing an X-or Xs-on the tree. Be sure to label each X as a loss or gain. In this case, assume that the ancestral state was "dark fur." If two nonsister species (any pair of species other than Species 2 and 3) on the phylogenetic tree in the figure below differ from the other two in a single character state (e.g., the nonsister species have light fur, whereas the sister species have dark fur), where would the likely evolutionary change(s) be? Indicate change(s) by drawing an X-or Xs-on the tree. Be sure to label each X as a loss or gain. In this case, assume that the ancestral state was  dark fur.


Definitions:

Indorsee

A person to whom a draft, note, or other negotiable instrument is transferred by endorsement.

Indorser

A person who signs a negotiable instrument on the back to endorse it to another entity, transferring ownership.

Conditional Indorsement

An indorsement that makes the rights of the indorsee subject to the happening of a certain event or condition.

Indorsement

A signature or instruction written on the back of a negotiable instrument, such as a check, which specifies the terms of transfer.

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