EBK INTEGRATED PRINCIPLES OF ZOOLOGY
EBK INTEGRATED PRINCIPLES OF ZOOLOGY
17th Edition
ISBN: 8220103592406
Author: CLEVELAND
Publisher: YUZU
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Chapter 16, Problem 1FFT
Summary Introduction

To compare: The molluscan phylogenetic tree formed by the Serialia hypothesis with the one shown in figure 16.1 given in the book.

Introduction: The Serialia hypothesis is based on the serial repetition of body parts. It groups the organisms depending on the metameric morphology.

Summary Introduction

To explain: The difference between the characteristics of ancestral mollusc and the evolutionary pathways used by the molluscs according to the cladogram.

Introduction: Cladogram is derived from the Greek word, clados, ‘branch’, and gamma ‘character’. It is used to show the close relationship between the different groups of the organisms.

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Build a phylogenetic tree consisting of the wasp, Pimpla rufipes and four other species. Ensure that the most basal species branches out first. Pimpla rufipesSpecies A: possess a calcium carbonate shell and is found in marine environmentsSpecies B: Segmented worm, marine and possess bristles known as ‘setae’Species C: Bioluminescent, possess special cells known as colloblasts which are attached to tentaclesSpecies D: Parasitic roundworm found in the intestines of mammals; lacks segments, molts a cuticle.
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