...Thus the soil is slowly worked over and kept in good condition by earthworms, of which Darwin says : " It may be doubted whether there are many other animals...important a part in the history of the world as have these lowly organized creatures." LESSON XXVII THE COLUMBINE Purpose. — To lead the children to watch these...

...Thus, the soil is slowly worked over and kept in good condition by earthworms, of which Darwin says: " It may be doubted whether there are many other animals...important a part in the history of the world as have these lowly organized creatures." Fly fishing is an art, a fine art beyond a doubt, but it is an art and,...

...maturity. During lives that can be as long as f1fteen years, one earthworm can produce 40,000 offspring. "It may be doubted whether there are many other animals...a part in the history of the world, as have these lowly organized creatures," Darwin concluded. Today many scientists agree with him as more and more...

...man's inventions; but long before he existed the land was in fact regularly ploughed by earthworms. It may be doubted whether there are many other animals...a part in the history of the world, as have these lowly organized creatures'. Unfortunately we do not have a very good record, as yet, of non-marine...

...Miscellany of Maotse Tung Thought 1949-1968 (Washington, DC: JPRS, 1974), 89. 7. In Charles Darwin's words, "it may be doubted whether there are many other animals...so important a part in the history of the world" as earthworms. Darwin, The Formation of Vegetable Mould through the Action of Worms (London: John Murray,...

...0-8493-4909-5 Library of Congress Card Number 93-26193 Printed in the United States of America 1234567890 It may be doubted whether there are many other animals...a part in the history of the world, as have these lowly organised creatures. Charles Darwin, The Formation of Vegetable Mould, Through the Action of...

...existed the land was in fact regularly ploughed and still continues to be thus ploughed by earthworms. It may be doubted whether there are many other animals which have played so important part in the history of the world. This was the beginning in soilzoology. The probable importance of...

...niches available to other organisms and so contribute to biodiversity. Charles Darwin wrote of them: 'It may be doubted whether there are many other animals...so important a part in the history of the world as these lowly organised creatures'. The medicinal leech Hirudo medicinalis is an ectoparasite which sucks...

...attention for more than a hundred years. Charles Darwin (1881) summarized their natural role concisely: "It may be doubted whether there are many other animals...a part in the history of the world, as have these lowly organized creatures." Since the early 1960s a group of researchers headed by EL Cooper have investigated...

...existed the land was m fact regularly ploughed, and still continues to be thus ploughed by earthworms. It may be doubted whether there are many other animals...a part in the history of the world, as have these lowly organized creatures. — Charles Darwin, The Fonnation of Vegesable Mould. Through the Action...