Zoology a Text book for Secondary Schools Normal Schools And Colleges
Zoology a Text book for Secondary Schools Normal Schools And Colleges
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In our eReader you can find the full English version of the book. Read Zoology a Text book for Secondary Schools Normal Schools And Colleges 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 Zoology a Text book for Secondary Schools Normal Schools And Colleges
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It grows attached to submerged objects and is commonly of a dirty greenish color, though this may vary. This sponge is firm and gritty to the touch, and may be either compact or branched. Use the general out- line prepared for Grantia, noting the points of contrast. Is there any- thing like the osculum? the cloaca? Gemmules or reproductive bodies may occur imbedded in the flesh, especially at the base.
2. The Sponge of Commerce. This is merely the skeleton of a sponge from which all the cellula...r part has been removed. Select a small rounded specimen. Do you find any signs of the attached end? of an osculum? Split the sponge with scissors, beginning with an osculum. Are there any canals as in Grantia ? If so, what is their arrangement? Examine a small portion of the skeleton under the microscope. Test as before (for calcic carbonate) with dilute acid. Is the skeleton elastic? Why?
DESCRIPTIVE TEXT.
20 1. The Protozoa are unicellular animals, or at most, masses of similar cells in a more or less globular form.
What to read after Zoology a Text book for Secondary Schools Normal Schools And Colleges?
You can find similar books in the "Read Also" column, or choose other free books by Thomas Walton Galloway to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
It grows attached to submerged objects and is commonly of a dirty greenish color, though this may vary. This sponge is firm and gritty to the touch, and may be either compact or branched. Use the general out- line prepared for Grantia, noting the points of contrast. Is there any- thing like the osculum? the cloaca? Gemmules or reproductive bodies may occur imbedded in the flesh, especially at the base.
2. The Sponge of Commerce. This is merely the skeleton of a sponge from which all the cellula...r part has been removed. Select a small rounded specimen. Do you find any signs of the attached end? of an osculum? Split the sponge with scissors, beginning with an osculum. Are there any canals as in Grantia ? If so, what is their arrangement? Examine a small portion of the skeleton under the microscope. Test as before (for calcic carbonate) with dilute acid. Is the skeleton elastic? Why?
DESCRIPTIVE TEXT.
20 1. The Protozoa are unicellular animals, or at most, masses of similar cells in a more or less globular form.
What to read after Zoology a Text book for Secondary Schools Normal Schools And Colleges?
You can find similar books in the "Read Also" column, or choose other free books by Thomas Walton Galloway to read onlineMoreLess
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