CAMPBELL BIOLOGY-W/MOD.MASTERBIOLOGY
CAMPBELL BIOLOGY-W/MOD.MASTERBIOLOGY
11th Edition
ISBN: 9780134683461
Author: Urry
Publisher: PEARSON
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Chapter 25, Problem 9TYU
Summary Introduction

To explain: The scientific inquiry of herbivore evolutions by adaptive radiation.

Introduction: The evolution of many species from a single ancestor is termed as adaptive radiation. It is a continuous process, where the diversification of species is in a common ancestral line. Species from a single ancestor can get fragmented into different subpopulations when isolated geographically and exposed to different environmental conditions. The species in a new habitat could establish their role in a new environment and become different from the common ancestor.

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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.  (photo of the phylogenetic tree here) B.1 Does P. rufipes engage in incomplete or catastrophic metamorphosis? _________________ B.2. Explain why you chose your answer for B.1. __________________________________________________________________________________ B.3. List ONE (1) advantage of the developmental strategy you chose above?
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.
Constructing a Phylogenetic Tree Now, you are going to create and the interpret your own phylogenetic tree. Take a look at the characteristics for these organisms. Plant Group Photosynthesis? Seeds? Water-conducting Tissue? Flowers? Ferns X Gymnosperms Mosses Angiosperms Using the characteristics from the table above, determine where each of these organisms belongs on the tree below, then answer the questions. A В What characteristic appears just before group C branches off (the starred location)? flowers water conducting tissue seeds O photosynthesis

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CAMPBELL BIOLOGY-W/MOD.MASTERBIOLOGY

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