Fill out table please of morphological and developmental features Feature porife
ID: 173851 • Letter: F
Question
Fill out table please of morphological and developmental features
Feature porifera Cnidaria Platyhelminthes Annelida Mollusca Arthropoda Nematoda Echinodermata Chordata Presences of bilateral symmetry (Yes/no) Presence of true tissues (Yes/no) Presence of organs (Yes/no) Presence of organ systems (Yes/no) Presence of coelem(s) (Yes/no) PàPresence of nerve cord (Yes/no): if yes, ventral or dorsal Have an outer cuticleéexoskeleton that is molted (Yes/no) Blastula present in the embryology (Yes/no) Gastrula present in the embryology (Yes/no) Mesoderm present in the embryology (Yes/no) Type of cell cleavage ( spiral or radial;) Cell fate in ear;yblastula (determinate or indeterminate) Fate of blastopore (mouth or anus) Origin or mesoderm (cell from rim of blastopore or out-pocketing of endoderm BIOL 2068 Animal Module. Table of morphological and developmental features. Note that some features cannot be assessed for early diverging phyla N/A. Echinodermata Chordata Porifera Cnidaria Platyhelminthes Annelida Mollusca Arthropoda Nematoda Feature Presence of bilateral symmetry (yes/no) Presence of true tissues (yes/no) Presence of organs Presence of organ systems (yes/no) Presence of coelom (s) Presence of nerve yes, originally cord (yes/no); if yes, dorsal before general change in body ventral or dorsal Have an outer cuticle/exoskeleton that is molted Blastula present in the embryology (yes/no) Gastrula present in the embryology Mesoderm present in the embryology Type of cell cleavage irregular irregular (spiral or radial) Cell fate in early irregular irregular blastula (determinate or indeterminate) N/A (only 1 Fate of blastopore (mouth or anus) Origin of mesoderm N/A cell from rim of blastopore or out- pocketing of endoderm)Explanation / Answer
Feature Porifera Cnidaria Platyhelminthes Annelida Mollusca Arthropoda Nematoda Echinodermata Chordata Presences of bilateral symmetry(Yes/no) Asymmetrical Radial symmetry Yes Yes Yes Yes Yes Radial symmetry Yes Presence of true tissues (Yes/no) No Yes Yes Yes Yes Yes Yes Yes Yes Presence of organs (Yes/no) No No Yes Yes Yes Yes Yes Yes Yes Presence of organ systems (Yes/no) No No No Yes Yes Yes Yes Yes yes Presence of coelom(s) (Yes/no) No No No Yes Yes Yes pseudocoelmate Yes Yes presence of nerve cord (Yes/no): if yes, ventral or dorsal No No Small bundles of nerves(ganglia) brain ,with ventral nerve cords and bundles(ganglia) Yes Ventral nreve cord Ventral nerve cord Dorsal nerve chord Dorsal nerve cord