Practice Invertebrates Quiz

Practice Invertebrates Quiz - 1. Which of the following is...

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1. Which of the following is not a characteristic of most members of the phylum Annelida? a. hydrostatic skeleton b. segmentation c. pseudocoelom d. closed circulatory system e. all of the above are characteristics of Annelida 2. Which phylum is characterized by animals that have a segmented body? a. Cnidaria b. Platyhelminthes c. Porifera d. Arthropoda e. Mollusca 3. Which of the following characteristics is responsible for the incredible diversification and success of insects on land? a. Segmentation b. Specialized mouth parts c. Metamorphosis d. Flight e. All of the above 4. Which of the following combinations of phylum and description is incorrect? a. Nematoda-roundworms, pseudocoelomate b. Cnidaria-radial symmetry, polyp and medusa body forms c. Platyhelminthes-flatworms, gastrovascular cavity, acoelomate d. Porifera-gastrovascular cavity, coelom present 5. Which of these statements is true of sponges? a. They have an open circulatory system. b. They are segmented animals. c. They have no true tissues. d. They are pseudocoelomates. 6. Which of these statements is true of cnidarians? a. They have radial symmetry. b. They have three tissue layers (they are triploblastic) c. They have a complete digestive system. d. They are segmented. e. They have an exoskeleton composed of chitin. 7. Of the phyla studied in this exercise, the one that has three tissue layers is the phylum _____. a.
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Practice Invertebrates Quiz - 1. Which of the following is...

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