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Chapter 18 - Kingdom Protista Chapter 18 Kingdom Protista Tutorial Activity 1 & 2 Multiple Choice Questions A. kelps. 1. Single-celled algae found in fresh or marine waters are B. phytoplankton. C. macroalgae D. cyanobacteria. E. chlorophytes. 2. Algae are placed into divisions based on their A. pigment forms. B. cell wall composition. C. stored carbohydrates. D. habitat. E. [pigment forms, cell wall composition, and stored carbohydrates] are correct. 3. Algae and plants that become attached to other organisms without parasitizing them are termed A epiphytes B. lichens C. bryophytes. D. symbionts. E. subleechophytes 4. Which of the following exhibit isogamous reproduction? A. water nets (Hydrodictyon) B. Chlamydomonas C. mermaid's wineglass (Acetabularia) D. Ulothrix E. All of these answers are correct 5. Which of the following reproduces asexually primarily by fragmentation? A. Ulothrix B. Chlamydomonas C. Oedogonium D. Spirogyra E. Ulva