Exam 3 Review Questions 4.23.12 Format: 25-30 multiple choice 5-7 definitions 1 draw and label 4-6 short answer -What is evolution? -What are the key drivers of microevolution (4)? What are the different classes of mutations? -What is Natural Selection and what are the some possible outcomes? -Define taxonomy and systematics. How are they related? -What two ways do we group or classify organisms? -How do we determine phylogenies and what are the benefits and pitfalls of each method? -Be able to read a phylogenetic tree and answer questions about it. -How does cell division in fungi differ than cell division in plants? -In general, how do fungi reproduce? Describe both strategies. -What are the four main phyla composing the fungi? What are some of the traits associated with each of these phyla? -What are some benefits conferred by fungi? -What about some detrimental aspects conferred by fungi? -What are the three generalized life cycles? Draw out each of these cycles, labeling sporophyte and gametophyte generations. -What is alternation of generation? -What are the phyla in the kingdom Protista? What do they all have in common? -What does secondary endosymbiosis mean? What evidence exists that this has taken place in certain protist lineages? Be able to name at least one of these lineages. -Describe three different protist phyla. What are some of the interesting features of these phyla? -What is the function of the contractile vacuole in euglenoids? How is this consistent with what you know about osmolarity? -Which group of protists is most likely to have given rise to the ancestor of land plants? Name both the phylum and the class. Give evidence to support your answer. -What’s the difference between the red and green algae? -What is special about the life cycle of some of the red alga? What kind of reproductive advantage might it serve? -Which phyla are considered bryophytes? -What traits do bryophytes have in common with vascular plants? -What are the archegonia and antheridia? What function do they serve in bryophytes? -What is matrotrophy? -Which is the dominant phase of the bryophyte life cycle? -What are the three main classes that are part of the Phylum Bryophyta? -What are the interesting features you can describe about these classes? -What are the three ways vasculature is arranged in vascular plants? Be able to draw these and know where each type is predominantly found. -What are two different types of leaves? What steps were required for their evolution? -What is the difference between heterospory and homospory? What type of gametophytes does each produce? -What are the earliest know land plants? What did they look like? -What are the two extant phyla of seedless vascular plants? -What are the three orders of Lycopodiophyta? Be able to describe some of the general features of each order. -What are the four orders of pteridophyta? Be able to describe some of the general features of each order. -What is the function of a seed? -How do gymnosperms differ from the plants we’ve talked about? -What phyla make up the gymnosperms?