What Is True in the Molecular Phylogeny (B)that Is Not

question 36

Multiple Choice

What is true in the molecular phylogeny (B) that is not true in the traditional phylogeny (A) ?

• A)Deuterostomia is paraphyletic.
• B)To maintain Deuterostomia as a clade,some phyla had to be removed from it.
• C)Deuterostomia now includes the Acoela.
• D)It diverged from the rest of the Bilateria earlier than did the Acoela.

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Definitions:

Variation

The differences observed within and among populations in genetically inherited characteristics, essential for natural selection and evolution.

Heritability

The proportion of observed variation in a particular trait among individuals of a population that can be attributed to inherited genetic factors.

Medium Ground Finch

A species of bird in the Galapagos Islands, known for its variable beak size, studied in the context of natural selection.

Australian Snake

Reptiles found in Australia, known for both venomous and non-venomous species, playing crucial roles in the ecosystem as predators and prey.