Directions (26 pts.) Write group names at ends of branches in the dashed rectang

Question

Directions (26 pts.) Write group names at ends of branches in the dashed rectangular boxes. Fill in squares with letters of traits that describe organisms above that point in the cladogram. Each group and each trait will only be used once C. Nematocysts; radial symmetry D. Radial symmetry E. Shell, foot, mantle, and visceral Groups: mass body plan F. Deuterostome G. True tissues H Acoelomate L Spinal chord Common Ancestor J. 3 tissue germ layers (endo-, meso- K. Muiticellular Annelida Chordata Cnidaria Mollusca L. Soft-bodied and segmented Platyhelminthes Porifera Protista N. Bilateral symmetry O. Separate mouth and anus

Explanation / Answer

Annelida: L. Soft-bodied and segmented, N. Bilateral symmetry, O.Separate mouth and a

Arthropoda: A. Exoskeleton, jointed appendages

Chordata: I.Spinal cord

Cnidaria: C. Nematocysts, radial symmetry, H. Acoelomate, True tissues

Common Ancestor: F. Deuterostome

Echinodermata:F. Deutertome

Mollusca: E. Shell, foot, mantle and visceral mass body plan

Nematoda:M. Pseudocoelomate

Platyhelminthes: N. Bilateral symmetry, H. Acoelomate, J. 3 tissue germ layers

Porifera: K. Multicellular, H. Acoelomate

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