. Elementary zoology. Zoology. 32 ELEMENTARY ZOOLOGY from certain parts of the body ? Within the endosarc note a clear globular spot which contracts and expands, or pulsates, more or less regularly. This is the contrac- tile vacuole. Note the small granules which move about within the endosarc. These are food-particles which. Fig. 5.—Amoeba sp.; showing the forms assumed by a single individual in four successive changes. (From life.) have been taken in through the body-wall. Note how pseudopodia flow about food-particles in the water and how these are digested by the protoplasm. If an Amoeba c
. Elementary zoology. Zoology. 32 ELEMENTARY ZOOLOGY from certain parts of the body ? Within the endosarc note a clear globular spot which contracts and expands, or pulsates, more or less regularly. This is the contrac- tile vacuole. Note the small granules which move about within the endosarc. These are food-particles which. Fig. 5.—Amoeba sp.; showing the forms assumed by a single individual in four successive changes. (From life.) have been taken in through the body-wall. Note how pseudopodia flow about food-particles in the water and how these are digested by the protoplasm. If an Amoeba comes into contact with a particle of sand, note how it at once retreats. Note within the endosarc an oval trans- parent body which shows no pulsations. This is the. 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 Kellogg, Vernon L. (Vernon Lyman), 1867-1937. New York : H. Holt and company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1902
