While all members of the phyla we’re considering this week are in the bilateria (have bilateral symmetry and three tissue layers) – they also differ drastically. From your perspective: I) which groups considered in this unit are the most similar and what connects them? II) Which groups are most distinct and what separates them? **The phyla group mentioned in this question is circled in red

Biology 2e
2nd Edition
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark
Chapter28: Invertebrates
Section: Chapter Questions
Problem 13RQ: A mantle and mantle cavity are present in: phylum Echinodermata phylum Adversoidea phylum Mollusca...
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While all members of the phyla we’re considering this week are in the bilateria (have bilateral symmetry and three tissue layers) – they also differ drastically.

From your perspective:

I) which groups considered in this unit are the most similar and what connects them?

II) Which groups are most distinct and what separates them?

**The phyla group mentioned in this question is circled in red

Chapter 14 Xenacoelomorpha, Platyzoa, and Mezozoa
Gastrotricha
Gnathostomulid
Micrognathozoa
Diploblasts
Lophotrochozoa
Blastula stage occurs in development
Cycliophora
Ectoprocta
Animalia
Opor
Spiral
cleavage
Bilateria (Nephrozoa)
Protostomia
Triploblastic Bilaterial
Mouth formed
from blastopore
Loricifera
Ecdysozoa
Priapulida
Cuticle
molted
Onychophora
Tardigrada
Arthropoda
Chaetognatha e...
Deuterostomia
Echinodermata
Radial
cleavage
Annelida includes pogonophorans,
echiurans, and sipunculans
Hemichordata
2 Arthropoda includes pentastomids
3 Chaetognatha is discussed with
deuterostomes
Chordata
Transcribed Image Text:Chapter 14 Xenacoelomorpha, Platyzoa, and Mezozoa Gastrotricha Gnathostomulid Micrognathozoa Diploblasts Lophotrochozoa Blastula stage occurs in development Cycliophora Ectoprocta Animalia Opor Spiral cleavage Bilateria (Nephrozoa) Protostomia Triploblastic Bilaterial Mouth formed from blastopore Loricifera Ecdysozoa Priapulida Cuticle molted Onychophora Tardigrada Arthropoda Chaetognatha e... Deuterostomia Echinodermata Radial cleavage Annelida includes pogonophorans, echiurans, and sipunculans Hemichordata 2 Arthropoda includes pentastomids 3 Chaetognatha is discussed with deuterostomes Chordata
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