单词 | protozoon |
例句 | When balance is disturbed—by anything from indigestion in a protozoon up to a storm on the ocean where he lives, there is a catastrophe. The Unpopular Review, Number 19 July-December 1918 2012-01-09T03:00:24.167Z On the first occasion the tentacles were completely covered with this protozoon, so that they appeared at first sight as though encased in flagellated epithelium. Freshwater Sponges, Hydroids & Polyzoa 2011-06-25T02:00:17.833Z Unfortunately it is the philosopher, not the protozoon, who gives us this assurance. In the Mountains 2011-01-27T03:00:37.910Z This protozoon secretes a shell about itself which has a characteristic shape, and often carries spines. A Critique of the Theory of Evolution Instead of comparing with a mammal at the top of the organic scale, it is like a formless, undifferentiated protozoon at the bottom. The Art of Lecturing Revised Edition And in all cases—in the humblest alga as in the oak, in the protozoon as in the mammal—this fertilized germ results from the union of the contents of two cells. Essays: Scientific, Political, & Speculative, Vol. I On the surface of the sponge I have found a peculiar protozoon which resembles the European Trichodina spongill� in general structure but belongs, I think, to a distinct species, if not to a distinct genus. Freshwater Sponges, Hydroids & Polyzoa 2011-06-25T02:00:17.833Z You open another book idly, and you see: Organic life, we are told, has developed gradually from the protozoon to the philosopher, and this development, we are assured, is indubitably an advance. In the Mountains 2011-01-27T03:00:37.910Z Organic life, we are told, has developed gradually from the protozoon to the philosopher, and this development, we are assured, is indubitably an advance. Mysticism and Logic and Other Essays For we may look at this matter in another light, and say our exuberant protozoon has shed a daughter, and remains. Certain Personal Matters To it energy is available which is denied to the protozoon. The Birth-Time of the World and Other Scientific Essays The other protozoon was Vorticella monilata, Tatem, which has been found, not in association with Hydra, in Europe and S. America. Freshwater Sponges, Hydroids & Polyzoa 2011-06-25T02:00:17.833Z Let us begin our comparative study with an example of the simplest animals that consist of only a single cell, such as the little protozoon Amoeba. The Doctrine of Evolution Its Basis and Its Scope Unfortunately it is the philosopher, not the protozoon, who gives us this assurance, and we can have no security that the impartial outsider would agree with the philosopher's self-complacent assumption. Mysticism and Logic and Other Essays There he is now—coming up to the full estate of manhood by the various stages of protozoon, amoeba, mollusc, fish, reptile, bird, mammal, Man. The German Classics of the Nineteenth and Twentieth Centuries, Volume 01 Masterpieces of German Literature Translated into English. For it is to this phenomenon—that of cell division—that the continued life of the protozoon is to be ascribed, as we have already seen. The Birth-Time of the World and Other Scientific Essays Now, if so, how long would it take to obtain an elephant from a protozoon or even from a tadpole-like fish? Life and Habit I dissent quite from what you say of the myriads of years it would take to people the world with such imagined protozoon. More Letters of Charles Darwin — Volume 1 You put the difficulty of the first modification of the first protozoon admirably. More Letters of Charles Darwin — Volume 1 |
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