Invertebrates and Vertebrates PRE-LAB QUESTIONS 1. Identify the four major characteristics of chordates. 2. List ways in which invertebrates compensate for not having a spine. © eScience Labs, 2018 Invertebrates and Vertebrates EXPERIMENT 1: SYMMETRY IN COMMON OBJECTS Images Draw the lines of symmetry on each of the objects below. © eScience Labs, 2018 Invertebrates and Vertebrates Post-Lab Questions 1. Identify the type of symmetry displayed for each item. Then, indicate how you came to your conclusion: a. Petri Dish: b. Funnel: c. Test Tube Rack: d. Wash Bottle with Curved Straw: e. Graduated Cylinder: f. Tongs: © eScience Labs, 2018 Invertebrates and Vertebrates EXPERIMENT 2: CREATING A PHYLUM KEY Data Tables Table 2: Phylum Taxonomic Key Prorifera Cnideria Platyhelminthes Annelida Arthropoda Mollusca Echinodermata Chordata Post-Lab Questions 1. Were any of the features used in more than one phyla? If so, give an example of an organism from each phyla that shares the feature. 2. List three features from Table 1 that describe a Monarch butterfly (Danaus plexippus). Using the features you listed, determine what phyla it is classified in. © eScience Labs, 2018 Invertebrates and Vertebrates EXPERIMENT 3: TAXONOMY Organism Images Organism A Organism B Organism C © eScience Labs, 2018 Invertebrates and Vertebrates Organism D Organism E Organism F © eScience Labs, 2018 Invertebrates and Vertebrates Data Sheet Identify which phylum each of the organisms belongs in. List the criteria used in your determination in the space below. Organism A ● Phylum: ● Criteria: Organism B ● Phylum: ● Criteria: Organism C ● Phylum: ● Criteria: Organism D ● Phylum: ● Criteria: Organism E ● Phylum: ● Criteria: Organism F ● Phylum: ● Criteria: © eScience Labs, 2018 Invertebrates and Vertebrates EXPERIMENT 4: OWL PELLET DISSECTION Results Tables Table 3: Owl Pellet Data Pellet Characteristics Observations Pellet Length (cm): Pellet Width (cm): Physical Observation: Table 4: Owl Pellet Contents Bone Animal Source Number of Bones Skull Jaw Scapula Rib Vertebrae Hindlimb Forelimb Pelvic Bone Post-Lab Questions 1.