Multiple Choice
Which of the following is always true of two organisms in the same taxonomic class?
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1. Introduction to Biology
Introduction to Taxonomy
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Which of the following combinations of phylum and description is incorrect?
A
Mollusca - Animals with segmented bodies
B
Chordata - Animals with a notochord
C
Cnidaria - Animals with stinging cells
D
Arthropoda - Animals with jointed legs
Verified step by step guidance1
Identify the key characteristics of each phylum mentioned in the problem.
Review the definition of the phylum Mollusca. Mollusca are typically characterized by a soft body, often protected by a hard shell, and not by segmented bodies.
Examine the characteristics of the phylum Chordata. Chordata are defined by having a notochord at some stage in their life cycle.
Consider the defining features of the phylum Cnidaria. Cnidarians are known for having specialized stinging cells called cnidocytes.
Analyze the traits of the phylum Arthropoda. Arthropods are characterized by having jointed legs and a segmented body.
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