5. Paramecia live mostly in freshwater and move with the use of structures calle cilia. They utilize contractile vacuoles to expel water that enters the cell by osmosis. Euglena are unicellular organisms that use flagella for movement anc chloroplasts for photosynthesis. They are found in freshwater and saltwater. Scientists have determined that Paramecia and Euglena are eukaryotes and no prokaryotes because they have- membrane bound organelles. cell walls. cell membranes. hereditary material. O O

5. Paramecia live mostly in freshwater and move with the use of structures calle cilia. They utilize contractile vacuoles to expel water that enters the cell by osmosis. Euglena are unicellular organisms that use flagella for movement anc chloroplasts for photosynthesis. They are found in freshwater and saltwater. Scientists have determined that Paramecia and Euglena are eukaryotes and no prokaryotes because they have- membrane bound organelles. cell walls. cell membranes. hereditary material. O O

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter27: Protists

Section: Chapter Questions

Problem 9TYK: Tripping on a rotten log, a hunter notices a mass resembling mucus that appears to be moving slowly...

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Which of the following is not found among the protist groups? a. life cycles b. contractile vacuoles c. pellicles d. collagen e. pseudopodia
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Members of the kingdom Protista differ from members ofthe kingdom Monera mainly due to the presence of:(a) RNA(b) Ribosomes(c) Cell wall(d) DNA(e) Membrane-bound nucleus
7. What group(s) listed below have cell walls? Select all that applies. A. Algae B. Mycoplasmas C. Gram-positive bacteria D. Fungi E. Protozoans
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Dinoflagellates are unicellular, marine protists. Dinoflagellates are bioluminescent, but only at night. During the day, they carry out photosynthesis similar to other autotrophs. At night, however, they bioluminesce every time they are disturbed. They are often seen in the wakes of ships at night. While the reason for this bioluminescence is not fully understood, many scientists concur that it is a form of self-defense. If small fish begin to feed upon the protists, the protists will begin to bioluminesce. These flashes of light in the dark water can alert larger fish and draw them towards the small fish, upon which they prey. By making the small fish vulnerable, the dinoflagellates are able to protect themselves. Based on the information above, a researcher decides to design an experiment in which she is testing how long it takes for dinoflagellates to recover after different amounts of disturbance. She maintains 10 containers of dinoflagellates with similar temperature, salinity and…
Dinoflagellates are unicellular, marine protists. Dinoflagellates are bioluminescent, but only at night. During the day, they carry out photosynthesis similar to other autotrophs. At night, however, they bioluminesce every time they are disturbed. They are often seen in the wakes of ships at night. While the reason for this bioluminescence is not fully understood, many scientists concur that it is a form of self-defense. If small fish begin to feed upon the protists, the protists will begin to bioluminesce. These flashes of light in the dark water can alert larger fish and draw them towards the small fish, upon which they prey. By making the small fish vulnerable, the dinoflagellates are able to protect themselves. Based on the information above, a researcher decides to design an experiment in which she is testing how long it takes for dinoflagellates to recover after different amounts of disturbance. She maintains 10 containers of dinoflagellates with similar temperature, salinity and…
Amoebas, foraminifera, and radiolarians move using theira. cytoplasm.b. flagella.c. cilia.d. setae.
1) The Miller-Urey experiment in 1953 proved that Group of answer choices multicellular organisms can evolve from unicellular ones living cells could arise from non-living substances organic molecules important to living things could form from a "hot soup" of simple substances conditions on early Earth were not as inhospitable as biologists of the time generally believed a source of energy was not required in order for life to develop on Earth B) Which of the following statements about protists is false? Group of answer choices Some protists are mixotrophic Certain protists share a common ancestor with land plants Some protists are photosynthetic prokaryotes which are similar to the ancestral chloroplast Protists are a polyphyletic group of organisms that often bear little resemblance to each other Although most protists are unicellular, some protists are multicellular as well
1. How is genetic variation generated in ciliates? When * A. a micronucleus replicates its genome many times and becomes a macronucleus. B. isogametes fuse. C. micronuclei are exchanged in conjugation. D. oogamous sexual reproduction occurs. 2. Which of the following does not ascribe to phytoplankton? They * A. are the main food source for coral reef communities. B. form the basis of most marine food chains. C. include the radiolarians and forams. D. are drifting community of organisms. 3. Which of the following protoctist phyla is incorrectly paired with its pigments? * A. Phaeophyta-fucoxantin B. Euglenophyta-chlorophyll b C. Rhodophyta-phycoerythrin D. Dinoflagellata-fucoxanthin and chlorophyll c
Tripping on a rotten log, a hunter notices a mass resembling mucus that appears to be moving slowly toward what appear to be brightly colored fruiting bodies. The organisms in the mass are: a. amoebas in the group Rhizaria. b. slime molds. c. red algae. d. green algae. e. charophytes.
Which of the following is a characteristic of protists that is also found in at least one other group? a. division by binary fission b. multicellular structures c. complex developmental stages d. peptidoglycan cell walls e. organelles and reproduction by meiosis/mitosis