Answered

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The following cladogram shows the evolutionary relationships among five types of birds.



According to this cladogram, oystercatchers are more closely related to flamingos than to penguins.

Which of the following statements provides the best justification for this relationship?

Question 16 options:

Oystercatchers share a common ancestor with flamingos but not with penguins.


Both oystercatchers and flamingos are less closely related to the outgroup than penguins are.


Oystercatchers share a more recent common ancestor with flamingos than with penguins.


The branch of the cladogram with oystercatchers is closer to the branch with flamingos than to the branch with penguins.

Sagot :

marianaegarciaperedo

The cladogram is a tree-graph that represents the relationship between taxa. In the exposed example, the correct statement is option C. Oystercatchers share a more recent common ancestor with flamingos than with penguins.

What is a cladogram?

A Cladogram is a graph drown as a tree, which is based on cladistic analysis.

The tree-type graph is a ramified diagram that represents the relationship between the involved taxa.

It represents the common ancestral relationships and the emergence of different characters among the involved groups.

The cladogram represents the relationship between groups according to a derived character and follows the maximum parsimony criterium.

A derivated character is any trait that a group passes to its descendants.

Through evolution, the characters change, and new changes are added.

When referring to a derivate character, we mean that all the subsequent groups in the cladogram carry the trait.

What is the structure of a cladogram?

The cladogram is composed of,

  • Lineages → The taxonomic groups of interest. These are placed in the extremes of the branches.  

  • Nodes → These are the ramification points, which are also known as divergence points. They represent the location of the most recent common ancestor.  

  • Root → This is the oldest common ancestor that all lineages share. The first one in the tree.  

The cladogram does not show genetic distance or evolutive time, and it is based on morphological traits.  

Each branch of a cladogram ends with a clade and begins with a last common recent ancestor.

According to the description of the cladogram, oystercatchers are more closely related to flamingos than to penguins.

The statement that provides the best justification for this relationship is option C. Oystercatchers share a more recent common ancestor with flamingos than with penguins.

You can learn more about cladograms at

https://brainly.com/question/10712018

https://brainly.com/question/787826

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