BIS 2C 002C Pre-lab 7 (QUESTIONS AND ANSWERS)
Pre-Lab 7: Introduction to Metazoa (Score: Question 1. Study the phylogeny of animals in figure 7.3. Where are humans on this phylogeny? What are the defining features of the phylum to which humans belong? Humans are on the chordata. The defining features are notochord, dorsal hollow nerve chord, and post-anal tail. Question 2. Study the phylogeny of animals in figure 7.3. What feature of the phylogeny supports the fact that deep relationships among animals remain unresolved? Polytomy:shows uncertainty w/lineage relationships Question 3. Provide one additional example each of animals with radial, pentaradial, and bilateral symmetry. An animal with radial s
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