Bio 1114 Summer Exam 2: Questions with Complete Solutions for the latest updates

▪ True or False: The K/T event is believed to have resulted in the extinction of the dinosaurs and the rise of angiosperms as the dominant land plant. - Ans .True ▪ Which of the following statements about plants is incorrect? - Ans .-plants are typically photosynthetic organisms - plants are most likely evolved from aquatic algal ancestors - plants have influenced earth's atmospheric chemistry, climate, and soils - -the plant kingdom is monophyletic All of the statements about plants are correct ▪ Which one of the following is not a function or characteristic of placental transfer tissues? Placental transfer tissues - Ans .transfer nutrients directly to the embryo ▪ Plant embryos develop by repeated ____ from a single-celled ________ resulting from fertilization. - Ans .mitosis; zygote ▪ True or False: Angiosperms exhibit a process referred to as heterospory, by which the potential for cross-fertilization is increased, thereby increasing genetic variation. - Ans .True ▪ Which one of the following statements about seed plants is correct? - Ans .pollen are male gametophytes enclosed in spore walls ▪ True or False: Flask shaped gametangia that enclose an egg are most accurately referred to as archegonia. - Ans .True ▪ Which of the following statements about bryophytes is correct? - Ans .bryophytes exhibit the reproductive process referred to as alternation of generations ▪ Which one of the following is not a gymnosperm? - Ans .Liverworts ▪ True or False: Early Bryophytes could have affected the earth's climate through the deposit of organic carbon in the soil that was later recycled to CO 2. - Ans .True ▪ The tough material in plant spore cell walls that prevents damage during transport through the air is referred to as _______________, and the protective enclosures for multiple spores are referred to as ___________ - Ans .sporopollenin; sporangia ▪ Which of the following contributes to the formation of plant fossils? - Ans .lignin, sporopollenin, and cutin ▪ True or False: Angiosperms are distinguished from gymnosperms by the presence of flowers, fruits, and endosperm. - Ans .true ▪ Which of the following types of plant would be classified as nonvascular? - Ans .bryophytes ▪ Leaves with branched veins are most accurately referred to as: - Ans .euphylls ▪ The taxonomic clade that includes vascular land plants is most accurately referred to as the - Ans .tracheophytes ▪ Which of the following represents a primary difference between lycophyte roots and leaves and pteridophyte roots and leaves? - Ans .Lycophyte roots fork at the tips and pteridophyte roots branch from the inside, Lycophytes leaves have a single simple vein and pteridophyte leaves have branched veins, and Lycophyte leaves are small and pteridophyte leaves are large. ▪ Which of the following plant phyla produce complex, branched vein leaves? - Ans .Pteridophytes ▪ Arrange the following plant phyla in order of evolutionary appearance, from earliest to most recent. i. Lycophytes ii. Liverworts iii. Cycads iv. Pterldophytes - Ans .ii;i;iv;iii