The Number of Neutral Mutations That Accumulated in the Genomes

question 36

Multiple Choice

The number of neutral mutations that accumulated in the genomes of two lineages can be used as a ___________to estimate how long ago they diverged.  

• A) mutation rate
• B) molecular clock
• C) phylogenetic tree
• D) evolutionary ruler
• E) radiometric measure

Recognize the genetic similarity among bilateral animals and the role of specific gene families in their evolution.

Trace the evolutionary timeline of land animal origins and comprehend the time scale of animal evolution.

Understand the evolutionary advantages of bilateral symmetry and cephalization in animals.

Understand the characteristics that define the Ecdysozoa clade and the significance of molting in this group.

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Definitions:

Tradable Emissions Permit

A market-based mechanism that provides economic incentives for achieving reductions in the emissions of pollutants, allowing companies to buy or sell emission rights.

Opportunity Cost

The importance of the next preferred option sacrificed by deciding on a course of action.

Sulfur Dioxide

A chemical compound with the formula SO2, commonly produced by volcanoes and industrial processes, known for its role in acid rain formation.

Environmental Standards

Rules and guidelines set by governments or international bodies to protect the environment from harmful industrial emissions and practices.