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Name ________________________________________________ Hr ____ 1. Origins: 2. List the Characteristics of Animalia: 3. Explain the two pairs of words: a. Blastula & Gastrula: b. Larva & metamorphosis: c. Radial & Bilateral symmetry d. Blastopore & Archenteron 4. Germ layers – Label the diagram with the 3 germ layers and tell what they give rise to. 5. What are the different levels of tissue organization & the animals found in each. 6. Fill in this chart comparing protostomes and deuterostomes. Characteristic Fate of Blastopore Cleavage Formation of Coelom Protostomes Deuterostomes 7. Types of body cavities a. Define each of the following Acoelomate: Pseudocoelomate: Coelomate: b. Label each picture with any or all of the following: Types of organism Mesoderm Type of Coelom Endoderm Ectoderm 8. List and describe the 3 types of skeletons: Multiple Choice. Write the correct choice in the box below. 9. Which of the following is/are true of animals? a. They are heterotrophic b. They are eukaryotic c. They are multicellular d. They lack cell walls e. All of the choices are true 10. Which one of the following statements is false? a. Animals are multicellular, heterotrophic eukaryotes that obtain nutrients by ingestion b. Most animals are haploid and reproduce using mitosis c. Animal cells lack cell walls d. Hox genes play important roles in the development of animals e. When a larval animal changes into an adult that has a radically different body form, the transformation is called metamorphosis 11. Animals probably evolved from a. Plants b. Lichens c. Bacteria d. Protists e. Fungi. 9 10 11 12. Which one of the following animals has radial symmetry? a. a roundworm b. an alligator c. a jellyfish d. a lobster e. a flatworm 13. The development of a head where sensory structures are concentrated accompanied the evolution of a. Bilateral symmetry b. A true coelom c. A mouth. d. A gastrovascular cavity e. Legs 14. Which one of the following structures best represents a hydrostatic skeleton? a. a spoon b. an empty coffee mug c. a water balloon d. a glass marble e. a piece of M & M candy 12 13 14