. Elementary biology; an introduction to the science of life . S7-——' Fig. 8. Young plants emerging from seeds On the left, squash; on the right, bean. In the squash a little outgrowth on the hypocotyl keeps the seed coat in place while the cotyledons are carried aloft. C, C, cotyledons ; £, epicotyl; //, hypocotyl; gg, ground line contents of the corn grain also disappear as the seedling de- velops. Finally, by means of chemical experiments we can see that the changes taking place in the " food masses " of the seedlings are of the kind we should expect to find if the food were actua
. Elementary biology; an introduction to the science of life . S7-——' Fig. 8. Young plants emerging from seeds On the left, squash; on the right, bean. In the squash a little outgrowth on the hypocotyl keeps the seed coat in place while the cotyledons are carried aloft. C, C, cotyledons ; £, epicotyl; //, hypocotyl; gg, ground line contents of the corn grain also disappear as the seedling de- velops. Finally, by means of chemical experiments we can see that the changes taking place in the " food masses " of the seedlings are of the kind we should expect to find if the food were actually being transported to the growing portions, (See p. 79.) A second question that may arise is that of the origin of the food which we find in the seeds. It is enough for the present to consider that, as the developing seed obtained the materials for its growth from the parent plant upon which it originated, the reserve food that we find within the coat of the seed was probably also obtained from the
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Keywords: ., bookcentury1900, bookdecade1920, bookpublishe, booksubjectbiology
