Use the Principle of Parsimony and Molecular Genetic Data to Choose

question 17

Multiple Choice

Use the principle of parsimony and molecular genetic data to choose a phylogenetic tree for your hypothesis of how the extant species were derived from the ancestor.

• A)Tree 1 requires the most mutations,making it the best choice.
• B)Tree 1 requires the fewest mutations,making it the best choice.
• C)Tree 2 requires the most mutations,making it the best choice.
• D)Tree 2 requires the fewest mutations,making it the best choice.
• E)Both trees are equally good because sequences A,B,C,and D are the same in both.

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Definitions:

Pond

A small body of still water, typically smaller than a lake, formed naturally or by artificial means.

Shallow-Water

Areas of water that are not deep, often found near the shores of bodies of water, where sunlight can penetrate to the bottom, supporting various aquatic life.

Emergent Vegetation

Plants that grow in water but emerge above its surface, typically found in wetlands or shallow waters.

Stratification

The layering of sedimentary rock or soil with differing characteristics, or the arrangement of society into different social classes or castes.