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Ch. 33 - An introduction to Invertebrates
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All textbooksCampbell 11th EditionCh. 33 - An introduction to InvertebratesProblem 4

Chapter 33, Problem 4

Which of the following combinations of phylum and description is incorrect? a. Echinodermata—bilateral symmetry as a larva, coelomate b. Nematoda—roundworms, pseudocoelomate c. Platyhelminthes—flatworms, gastrovascular cavity, acoelomate d. Porifera—gastrovascular cavity, coelomate

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Hello, everyone here We have a question asking which of the following phylum an example organism is mismatched. It's not daria jellyfish. That is correct, brackett a phobia lamp shells. That is correct arthropod to scorpions. That is correct. Poor affair. A starfish that is incorrect. An example of poor pharaoh would be sponges and starfish belong to the phylum econo derma, top econo armada. So our answer here is the poor, fair starfish. Thank you for watching. Bye.
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Textbook Question

MAKE CONNECTIONS In Figure 33.8, assume that the two medusae shown at step 4 were produced by one polyp colony. Review Concept 12.1 and Concept 13.3, and then use your understanding of mitosis and meiosis to evaluate whether the following sentence is true or false; if false, select the answer that provides the correct reason. Although the two medusae are genetically identical, a sperm produced by one will differ genetically from an egg produced by the other. a. False (both the medusae and the gametes are genetically identical) b. False (neither the medusae nor the gametes are genetically identical) c. False (the medusae are not identical but the gametes are) d. True

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