. Elementary biology; an introduction to the science of life . M^^'^:^-'*^--^ .^â '^^c^'' * â â â ;;?â â ' ^ â â â â : '^ Fig. 126. Spore capsule of moss a, spore case with stalk, on top of leafy plant; b, enlarged view of spore case, with cap removed ; c^ closed surface of capsule tip after removal of cap; d, capsule bursting open and discharging spores; e, spores, greatly magni- fied ; f, spore beginning to germinate by sending out a fine thread of protoplasm, a, Thiddhon virgviiaiiiim; b, c, Fitnaria americana; d, Orthotrichum schiniperi; e, BuTtramia pomifomiis; /, Funaria hygrometrica The
. Elementary biology; an introduction to the science of life . M^^'^:^-'*^--^ .^â '^^c^'' * â â â ;;?â â ' ^ â â â â : '^ Fig. 126. Spore capsule of moss a, spore case with stalk, on top of leafy plant; b, enlarged view of spore case, with cap removed ; c^ closed surface of capsule tip after removal of cap; d, capsule bursting open and discharging spores; e, spores, greatly magni- fied ; f, spore beginning to germinate by sending out a fine thread of protoplasm, a, Thiddhon virgviiaiiiim; b, c, Fitnaria americana; d, Orthotrichum schiniperi; e, BuTtramia pomifomiis; /, Funaria hygrometrica The bacteria often produce spores by the formation of a rather thick cell wall when the conditions for growth are not favorable. It is the resisting power of the spores that makes it so difficult to kill certain species of bacteria by boiling.
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Keywords: ., bookcentury1900, bookdecade1920, bookpublishe, booksubjectbiology
