. Adventures with animals and plants. Biology. 78 The Living Things of the Earth unit i. Fig. loi Bacteria that cause pueinnonia. The photograph was taken through a microscope. (AiMERlCAN MUSEUM OF NATURAL HISTORY) bacterium which causes one kind of pneumonia \\ ere magnified to the size of a tennis ball, and if the man in whom the bacterium lodges were magnified in pro- portion, the man would be about twenty- five miles tall! But bacteria are interesting to man not for the way they look but for what they do. Some species live in man and cause disease but many more are harmless or even \aluabl
. Adventures with animals and plants. Biology. 78 The Living Things of the Earth unit i. Fig. loi Bacteria that cause pueinnonia. The photograph was taken through a microscope. (AiMERlCAN MUSEUM OF NATURAL HISTORY) bacterium which causes one kind of pneumonia \\ ere magnified to the size of a tennis ball, and if the man in whom the bacterium lodges were magnified in pro- portion, the man would be about twenty- five miles tall! But bacteria are interesting to man not for the way they look but for what they do. Some species live in man and cause disease but many more are harmless or even \aluable. You will read more about them in Unit VI. PI n LUM - BR^'OPHVTKS The Mosses and Their Relatives The second large di\ ision of flowcrlcss jjlants. This group includes the mosses. rhc\ look somcw hat more like the plants commonly recf)gnized as plants. For one thing, most of them live on land. I'or another, they are always green ami, like the plants you know best, are anchored ro the soil. Then, too, moss plants have simple le;ncs and rootliK'C and stemlike. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Kroeber, Elsbeth, 1882-; Wolff, Walter Harold, 1901-. Boston : D. C. Heath
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Keywords: ., bookcentury1900, bookpublisherbostondcheath, booksubjectbiology
