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In a cladogram depicting the evolutionary relationships among amphibians, reptiles, birds, and mammals, Group IV is the most derived group. Which of the following species is most likely included in Group IV?
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1. Introduction to Biology
Introduction to Taxonomy
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Into which group would you place a multicellular heterotroph with chitin cell walls?
A
Animalia
B
Plantae
C
Fungi
D
Protista
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Understand the key characteristics of the organism described: it is multicellular, heterotrophic, and has chitin in its cell walls.
Recall that heterotrophs are organisms that cannot produce their own food and must obtain nutrients by consuming other organisms or organic matter.
Recognize that chitin is a structural polysaccharide found in the cell walls of fungi, distinguishing them from other groups like Plantae (which have cellulose in their cell walls).
Eliminate the options that do not match the description: Animalia lacks cell walls, Plantae has cellulose-based cell walls, and Protista is a diverse group that typically does not have chitin in their cell walls.
Conclude that the organism belongs to the group Fungi, as it matches all the described characteristics.
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