Multiple Choice
Which of the following characteristics is shared by both hagfish and lampreys?
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1. Introduction to Biology
Introduction to Taxonomy
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In the context of taxonomy, which characteristic is true about modern birds?
A
Modern birds have teeth.
B
Modern birds have scales instead of feathers.
C
Modern birds have beaks without teeth.
D
Modern birds are classified as mammals.
Verified step by step guidance1
Begin by understanding the context of taxonomy, which is the science of classifying organisms based on shared characteristics.
Consider the physical characteristics of modern birds. Birds are known for having beaks, which are specialized structures for feeding, and they do not have teeth.
Recognize that modern birds have feathers, which are unique to this class of animals and are used for flight, insulation, and display, rather than scales.
Understand that birds are classified under the class Aves, which is distinct from mammals. Mammals are characterized by features such as hair and mammary glands, which birds do not possess.
Conclude that the statement 'Modern birds have beaks without teeth' is the correct characteristic of modern birds in the context of taxonomy.
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