Bio 322 Exam 3 Study Questions and Correct Answers

Levels of Animal Organizationkingdom, phylum, class, order, family, genus, species Taxonomyscience of classification Systematicsstudy of the diversity of life and the evolutionary relationships between organisms Example of Taxonomy (Spider)Kingdom- Animalia Phylum- Arthropoda Class- Arachnida Order- Araneae Family- Araneidae Genus- Argiope Species- argentata Common name for spiderGolden orb-web weaver Families always end with..."dae" Order always ends with..."eae" Cellular Level-everything composed in one cell Tissue Level-groups of similar cells that have a common function to form a tissue or muscle Organ Level-contains two or more types of tissues Cellular Level Example-protozoans -phylum Porifera (sponges) Tissue Level Example-phylum Cnidaria (sea anemones, jellyfish) Organ Level Example-phylum Platyhelminthes (flatworms, planaria) 3 Levels of Symmetry1) No Symmetry (asymmetrical) sponges or perifera 2) Radial Symmetry (pie-shape) coral polyp, jellyfish, sea aneome 3) Bilateral Symmetry (symmetrical) Platyhelminthes first to exhibit, flatworms