First Course in General Science
First Course in General Science
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In our eReader you can find the full English version of the book. Read First Course in General Science Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book First Course in General Science
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Aspergillus. R branch which is called a SPORO- PHORE, the spores are borne in different ways in different kinds of molds (see Fig. 264). In MUCOR, the common black bread mold, a cross wall cuts off a cell at the tip of the sporophore. This cell grows larger and assumes a spherical form. At the same time, the cross wall bulges into this uppermost cell and forms a smaller sphere within the larger one. Next, the pro- toplasm of the outside cell breaks up into numerous spores. Such a spore-producin...g organ is called a SPORANGIUM. The accompanying figures illustrate the manner in which some other common molds produce spores (Figs. 265, 266, and 267) . Note the countless number of spores that you get on your microscope slide from a very small quantity of the material. Remembering that these spores are always borne up in the air SAPROPHYTES 387 above the substratum, and that they are light and powdery, do you wonder that the spores of mold are abundant every- where? Do you see that the molds are highly fitted to com- pete with us for possession of our food?
What to read after First Course in General Science?
You can find similar books in the "Read Also" column, or choose other free books by Frederic Delos Barber to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Aspergillus. R branch which is called a SPORO- PHORE, the spores are borne in different ways in different kinds of molds (see Fig. 264). In MUCOR, the common black bread mold, a cross wall cuts off a cell at the tip of the sporophore. This cell grows larger and assumes a spherical form. At the same time, the cross wall bulges into this uppermost cell and forms a smaller sphere within the larger one. Next, the pro- toplasm of the outside cell breaks up into numerous spores. Such a spore-producin...g organ is called a SPORANGIUM. The accompanying figures illustrate the manner in which some other common molds produce spores (Figs. 265, 266, and 267) . Note the countless number of spores that you get on your microscope slide from a very small quantity of the material. Remembering that these spores are always borne up in the air SAPROPHYTES 387 above the substratum, and that they are light and powdery, do you wonder that the spores of mold are abundant every- where? Do you see that the molds are highly fitted to com- pete with us for possession of our food?
What to read after First Course in General Science?
You can find similar books in the "Read Also" column, or choose other free books by Frederic Delos Barber to read onlineMoreLess
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