Bio 1108 - Animal Diversity Questions with Complete Solutions

Analogies Correct Answer-Characters that can evolve more than once in separate groups by convergent evolution Homologies Correct Answer-Characters that are similar due to common ancestry Poriferans Correct Answer-The phylum that is made up of sponges Cnidarians Correct Answer-The phylum that contains jellyfish and sea anemones Radial symmetry Correct Answer-Organisms who's bodies have an axis that runs from mouth to base with many planes of symmetry through this axis; usually organisms like this are in the phylum cnidaria Bilateral symmetry Correct Answer-Organisms who's bodies have a distinct head and tail, marking front and back, with a single plane of symmetry running between them at the midline; animals like this are clustered in the Bilateria branch Acoelomates Correct Answer-Bilaterians without a body cavity Coelomates Correct Answer-Bila