Biology 198 Module 7 (Final Review) Questions and Correct Answers

3 Classes of Animals Bacteria, Archaea, Eukarya Common features of animals Eukaryotic, multicellular, heterotrophic, motile, sexual reproduction, specialized tissues Sponges sessile as adults, no specialized tissues daphnia parthenogenetic reproduction Classifications of animals symmetry, segmentation, coelom, tissue layers Types of symmetry asymmetry, radial, bilateral Segmentation division of animal into repeating parts, distinct body regions, repeating units, specialization Types of Tissues Connective, nervous, muscle, epithelial 1 Embryonic tissue layer cellular level of organization 2 Embryonic tissue layers tissue layer of organization 3 Embryonic layers organs and organ systems Coelom internal body cavity lined w/ tissue derived from mesoderm, protects interior organs, provides structure Coelomate body cavity lined completely with mesoderm derived tissue Psuedocoelomate body cavity partially lined with tissue derived from mesoderm Acoelomate no coelom Homeostasis constant condition in the internal environment in spite of changes to external environment Negative Feedback Loop response in opposite direction o