Hypothesis 1: Porifera is a monophyletic group Porifera is the sister-group to Eumetazoa Hexactinellida is more closely related to Calcarea Demospongea is equally closely related to both Hexactinellida and Calcarea. Hypothesis 2: Porifera is a paraphyletic group Calcarea is more closely related to Eumetazoa than Demospongea or Hexactinellida Hexactinellida is sister-group to the clade formed by Calcarea and Eumetazoa Hexactinellida is more closely related to Calcarea and Eumetazoa than to Demospongea
Hypothesis 1: Porifera is a monophyletic group Porifera is the sister-group to Eumetazoa Hexactinellida is more closely related to Calcarea Demospongea is equally closely related to both Hexactinellida and Calcarea. Hypothesis 2: Porifera is a paraphyletic group Calcarea is more closely related to Eumetazoa than Demospongea or Hexactinellida Hexactinellida is sister-group to the clade formed by Calcarea and Eumetazoa Hexactinellida is more closely related to Calcarea and Eumetazoa than to Demospongea
Biology (MindTap Course List)
11th Edition
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Chapter29: The Fungi
Section: Chapter Questions
Problem 15TYU
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There are currently two phylogenetic hypotheses about the phylogeny of Porifera: one in which Porifera is a monophyletic group (clade) and one in which it is a paraphyletic group. Draw both of these hypotheses below based on the following description.
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