 More than THIRTY THOUSAND have been already disc.overed ! These vary in size from the smallest mosses to the largest trees. And the mosses that grow on rocks and fences and the trunks of trees have seeds as well as the larger plants ; but they are so...  The Child's Botany - Σελίδα 6των Samuel Griswold Goodrich - 1831 - 103 σελίδεςΠλήρης προβολή - Σχετικά με αυτό το βιβλίο
 | 1845 - 128 σελίδες
...the largest trees. And the mosses that grow on rocks and fences and the trunks of trees have seeds as well as the larger plants ; but they are so small that you cannot see them with the naked eye. It is necessary to look at them through a microscope or good magnifying glass, and then... | |
 | 1847 - 338 σελίδες
...largest trees. And the mosses that grow on rocks, and fences, and the trunks of trees, have seeds, as well as the larger plants ; but they are so small that you cannot see them with the naked eye. It is necessary to look at them through a microscope or magnifying-glass, and then they... | |
 | Elizabeth Cabot Cary Agassiz - 1859 - 96 σελίδες
...tentacles, as I will call them, because that is their true name, numbers of what are called lasso-cells. They are so small that you cannot see them with your naked eye, but each little cell contains a long hollow thread coiled up in a spiral within it. Now they have the... | |
 | Byron Dawson - 2002 - 164 σελίδες
...made of? Every organ in plants and animals is made up from cells. Cells are like tiny building blocks. They are so small that you cannot see them with your naked eye. To see them, you need to use a microscope. The picture shows lots of the same kind of plant cells.... | |
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