这是英国生物研究所(The Institute of Biology)生物学丛书中的一本。这套丛书已经出版了一百多种,一般选题范围较小,篇幅也不大(本册原文为67页),附有推荐进一步阅读的书目,和书中引用的原始文献。很适于生物系和有关的农、医学院高年级学生阅读,教师和生物科学研究人员也可根据需要选读。 This is a book from The Institute of Biology’s Biology. This series of books has been published in more than one hundred kinds, the general topic of choice is small, the space is not large (67 copies of the original text of this book), accompanied by recommended further reading of the bibliography, and the book references the original literature. Very suitable for biology and related agricultural, medical school seniors read, teachers and biosciences researchers can choose according to need.