Multiple Choice
Which extant chordates are postulated to be most similar in physical appearance to the earliest chordates?
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1. Introduction to Biology
Introduction to Taxonomy
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Which of the following is the primary basis for classifying skin types in taxonomy?
A
The color of the skin
B
The structure and function of the skin
C
The geographic location of the organism
D
The age of the organism
Verified step by step guidance1
Understand that taxonomy is the science of classifying organisms based on shared characteristics and evolutionary relationships.
Recognize that in taxonomy, physical traits like the structure and function of an organ (e.g., skin) are more relevant than superficial traits like color, as they provide insights into the organism's biology and evolutionary adaptations.
Eliminate options that are not scientifically significant for classification, such as 'the color of the skin,' which is often influenced by environmental factors and not a reliable taxonomic trait.
Consider why 'geographic location' and 'age of the organism' are not primary bases for classification. Geographic location can vary for the same species, and age is a temporary characteristic that does not define the species as a whole.
Conclude that the correct basis for classifying skin types in taxonomy is 'the structure and function of the skin,' as these traits are consistent and provide meaningful biological information for classification.
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