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Marine Botany Midterm 2014 Name:_________________________ 1 Compare and Contrast the following items (20pts): 1) spore vs gamete Spore: unicellular, must settle & grow, product of mitosis(Mt) or meiosis (Me) Gamete: unicellular, must fuse or die, product of mitosis(Mt) or meiosis (Me) 2) monoecious vs dioecious Dioecious- having the male & female reproductive structure borne on separate individual plants; said of the species -two houses Monoecious- having the male & female reproductive structure borne on the same individual plants -one house 3) phycoplast vs. phragmoplast Phycoplast: microtubules parallel to dividing plane -rare in algae Phragmoplast: double microtubules perpendicular to dividing plane-common in algae & land plants 4) haplontic vs diplontic Haplontic: 1N thallus, the zygote is the only diploid stage Diplontic: 2N thallus, the gametes are the only haploid stage 5) parenchymatous vs. coenocytic thallus construction Parenchyma – undifferentiated, isodiometric cells genera...