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Discuss in detail the major changes in body plan & major organ systems & include any intermediate phyla that occurred as the invertebrates evolved into protostomes (Spiralia & Ecdysozoa) and deuterostomes (the Echinodermata, Hemichordata and the Chordata).

.(a) Draw ONE consensus (phylogenetic) tree to show the full phylogeny from the Porifera to the Arthropoda & the Chordata (Include ONLY these phyla: Porifera, Cnidaria, Ctenophora, Xenacoelomorpha, Platyhelminthes, Misfits (Chaetognatha), Mollusca, Annelida,...

“Why are invertebrates so successful?” Let’s end with a discussion that answers that question using the following criteria: time on the planet, diversity (shape, size, habitats), abundance (# of species & # of individuals), morphology (adaptation to ecological niches) and reproductive potential.

You have spent an entire semester learning about invertebrate phylogeny, diversity, and functional morphology. We started with the question: “Why are invertebrates so successful?” Let’s end with a discussion that answers that question using the following criteria:...

Institutional Review Board ApplicationundefinedAs mentioned in Week 2, the Institutional Review Board (IRB) at Walden University and at other institutions, is the entity that approves and reviews all medical and behavioral research involving humans.

Institutional Review Board ApplicationundefinedAs mentioned in Week 2, the Institutional Review Board (IRB) at Walden University and at other institutions, is the entity that approves and reviews all medical and behavioral research involving humans. IRBs are required...