Biology 198 Exam 6 Questions With 100% Correct Answers

Biology 198 Exam 6 Questions With 100% Correct Answers _____ are formed as a result of mutualistic interactions between fungus and a photosynthetic microbe such as a green alga or a cyanobacterium - answerlichens Lichens form because the mutualistic interactions exists from bother partners _____ from each other - answerbenefiting The fungus supplies the green alga or cyanobacterium with carbon_____, minerals, and ______. The fungus also protects its partner's photosynthetic mechanisms and provides "______" for partners. - answerdioxide water housing The green alga or cyanobacterium, in return, provides the fungus with ____ that is makes through _____ - answerfood photosynthesis Lichens are well _____ - answerorganized T/F: Lichen have definite structures. - answertrue Lichens are _____ and often can fix nitrogen - answerphotosynthetic T/F: Lichen in-habitat typical habitats that are common for all organisms. - answerFalse -- Lichen colonize habitats that are too hostile for most organisms Where do lichen live? - answerBare rocks As lichen grow, they secrete _____ that break down the rocks and form ____, which in turn benefits other organisms. The soil that is formed enriches the habitat and eventually leads to _____ of the area by plant and other organisms. - answeracids soil colonization All algae are ________ protistans - answereukaryotic Where do green algae live? - answerfreshwater Are green algae multicellular or unicellular? - answerboth What is the most abundant algae group? - answerGreen Algae T/F: Green algae cannot be a food source - answerFalse -- They are a food source Green algae are a primary _____ - answerproducer Does green algae aid in medicine and fertilizer production? - answeryes Red algae are _____ organisms. - answermarine T/F: red algae have a flagella - answerfalse -- lack a flagella T/F: Red algae are multicellular and unicellular - answerTrue What is the life cycle of red algae? - answerAlternations of Generations Red algae contain ________ which help carry out photosynthesis - answerphycoerythrins Red algae that don't contain phycoerythrins are ______ - answerparasitic T/F: red algae are an important food source and additive - answertrue