Botany All the Year Round; a Practical Text-Book for Schools
Botany All the Year Round; a Practical Text-Book for Schools
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Symbiosis. — Associations for mutual help, like those described^n Sections 330-338, between certain plants and their insect visitants, have been included by botanists under the general term, symbiosis^ a word which means "living together." In its broadest sense symbiosis refers to any sort of dependence or intimate organic relation between different kinds of individuals, and so may include the climbing and parasitic habits ; but it is more properly restricted to cases where the relation is one ...of mutual benefit. It may exist either between plants of one kind with another, between animals with animals, or between plants and animals, as in the case of the clover and bumble- bee, and the yucca and pronuba.
The occurrence of the root tubercles on certain of the leguminosae (Sec. 198) is a clear case of symbiosis, the microscopic organisms in the tubercles getting their food 237 238 ECOLOGY from the plant and at the same time enabling it to get food for itself from the air in a way that it could not otherwise do.
What to read after Botany All the Year Round; a Practical Text-Book for Schools?
You can find similar books in the "Read Also" column, or choose other free books by Andrews, Eliza Frances, B. 1840 to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Symbiosis. — Associations for mutual help, like those described^n Sections 330-338, between certain plants and their insect visitants, have been included by botanists under the general term, symbiosis^ a word which means "living together." In its broadest sense symbiosis refers to any sort of dependence or intimate organic relation between different kinds of individuals, and so may include the climbing and parasitic habits ; but it is more properly restricted to cases where the relation is one ...of mutual benefit. It may exist either between plants of one kind with another, between animals with animals, or between plants and animals, as in the case of the clover and bumble- bee, and the yucca and pronuba.
The occurrence of the root tubercles on certain of the leguminosae (Sec. 198) is a clear case of symbiosis, the microscopic organisms in the tubercles getting their food 237 238 ECOLOGY from the plant and at the same time enabling it to get food for itself from the air in a way that it could not otherwise do.
What to read after Botany All the Year Round; a Practical Text-Book for Schools?
You can find similar books in the "Read Also" column, or choose other free books by Andrews, Eliza Frances, B. 1840 to read onlineMoreLess
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