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Algin is used for _____. filters marshmallows ice cream paint insulation polishing substances Question #19MultipleChoice Score: A unique characteristic of birds is that they have _____. haira
four-chambered heartscalesfeathers Question #20TrueFalse Score: The chlorophyll of the green algae is spread throughout the cytoplasm of its cells. TrueFalse Question #21MultipleChoice Score: Fertile hyphae that bear spores are called _____. conidiophoressporangiumgametophytesisogametes Question #22MultipleChoice Score: The _____ consists of protoplasm and a nucleus. vacuoleamoebabacteriumpseudopodium Question #23MultipleChoice Score: Which of the following statements is false? Protists are eukaryotes.Some protists can conduct photosynthesis.Protists can reproduce by fission.Protists are all unicellular. Question #24MultipleChoice Score: Viruses reproduce by _____. asexual reproductionfissionmitosisnone of the above Question #25MultipleChoice Score: Silicon dioxide forms the cell walls of _____. diatomsinsectsplants Question #26MultipleChoice Score: Camembert and Roquefort cheese are flavorful mostly because of _____. algaebacteriamold Question #27TrueFalse Score: Light sensitivity in the euglena is provided by the eyespot. TrueFalse Question #28MultipleChoice Score: _____ help fertilize the soil by shedding digestive material. FlatwormsRoundwormsEarthworms Question #29TextMultipleChoice Score: NonvascularVascular plants lack an internal tubal system. Question #30MultipleChoice Score: _____ is the primary reproduction process of archaea and bacteria. FragmentationFertilizationBinary fissionBudding
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