The Table Shows the Distribution of Traits (A-E) in Six

question 26

Multiple Choice

The table shows the distribution of traits (A-E) in six extant species (1-6) .A "0" indicates the ancestral condition, while "1" indicates the derived condition.Which trait is least informative of phylogenetic relationships within the group?

• A)A
• B)B
• C)C
• D)D

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Definitions:

Metabolic Function

Refers to the complex set of life-sustaining chemical transformations within the cells of organisms, including catabolism and anabolism.

Chemical Substances

Compounds or elements that consist of atoms and molecules, having specific chemical and physical properties.

Thyroid Gland

An endocrine gland in the neck that produces hormones regulating the body's metabolic rate, heart and digestive function, muscle control, brain development, and bone maintenance.

Exocrine Functions

Activities of exocrine glands that involve secreting substances through ducts to the surface of an organ or tissue or into a vessel.