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StudyQFinalLS1_W11

StudyQFinalLS1_W11 - LS1 Final Study Questions Study...

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LS1 Final Study Questions Page 1 of 1 Study Questions 1. Name and describe three important ecological roles of fungi. 2. What is the difference between the n + n and the 2N condition? Describe where in the life cycle of the Basidiomycota and Ascomycota those conditions occur. 3. What is the difference between plasmogamy and karyogamy? 4. Why is SA/V ratio such an important factor in the morphology of fungi? 5. What is the difference between AMF and EMF mycorrhizae? 6. Describe how isotope labeling experiments can be used to test hypotheses on plant- fungal associations. 7. What morphological traits indicate that choanoflagellates are related to sponges? 8. What is the difference between diploblasty and triploblasty? Which animal groups are diploblastic? 9. Why is bilateral symmetry considered an important adaptive step in animal evolution? 10. Identify which of the following materials are denser than water: Muscle, fat, bone, insect exoskeleton, mollusk shell, oil. 11. Describe two strategies that animals can use to make themselves buoyant. Describe and an example of each. 12. Describe three strategies that animals can use to fall more slowly. Describe an example of each. 13. In the Stokes equation, what three important parameters determine how fast an object sinks? 14. Can organisms be buoyant in air? Why or why not? 15. Why is filter/suspension feeding more common in the water than on land? 16. Describe filter feeding in the following taxa: sponges, tunicates, bivalves, bryozoans, sea cucumbers, polychaetes 17. Describe the typical complex life cycle of a marine organism. Which is the dispersing phase? How is this different than the typical terrestrial complex life cycle?
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