Fill out table please of morphological and developmental features Feature porife

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

Explanation / Answer

Feature Porifera Cnidaria Platyhelminthes Annelida Mollusca Arthropoda Nematoda Echinodermata Chordata Presences of bilateral symmetry (Yes/no) No Radial symmetry Yes Yes Yes Yes Yes Bilateral + 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 Yes Yes Yes Yes Yes Yes Yes Presence of coelem(s) (Yes/no) No Yes Yes Yes Yes Yes Yes Yes Yes Presence of nerve cord (Yes/no): if yes, ventral or dorsal No Yes, primitive Yes, primitive Yes Yes Yes Yes Yes Yes, dorsal Have an outer cuticle, exoskeleton that is molted (Yes/no) No No No No Yes Yes Yes, cuticle No No

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