| 词汇 | protist |
| 释义 | BETA Examples of protistprotist isn’t in the Cambridge Dictionary yet. You can help! Meiosis in protists : recent advances and persisting problems. Following a short introduction, there are 14 chapters devoted to the detailed descriptions of the various groups of protists. Photosynthetic protists were probably absent because all the sampled plants had been grown in deep shade. Our fossils show no evidence of having pervasively grown through the sediment and as such appear not to be protists or microbial colonies. The mini-exon gene is a distinctive nuclear marker for grouping protists of the kinetoplastid\\euglenoid lineage. On the basis of their dimensions and morphological considerations, the sphaeromorph acritarchs are interpreted as probably representing the resistant, reproductive cysts of unicellular protists. Fresh medium for each protist was added to five sample suspensions: ferrihydrite-montmorillonite, ferrihydrite-schwertmannite-montmorillonite, montmorillonite alone, ferrihydrite alone and water. The object of the present note is to record the presence of certain other protists abundant in the same host, but apparently unnoticed hitherto. To this end we are isolating divergent protists such as diverse amoebae, diatoms (stramenopiles), and ciliates (alveolates). Colourless euglenids (5-35 m in length) and hymenostomes (15-120 m) largely dominated the protozoan communities, whereas pigmented protists were always absent. This particular protist is known to be harmful to humans, large fish, and other marine mammals. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Additionally, these protists have cell membranes which are less permeable to water than some other species. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Both protists use protein complexes similar to those that are formed by the gregarines for gliding motility and invading target cells. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Microfauna are represented in the animal kingdom (e.g., nematodes, small arthropods) and the protist kingdom (i.e., protozoans). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Certain single-cell protists and algae also produce a rigid wall. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The player begins with a protist, and through eating and consuming, progresses through two other stages until it becomes an animal. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Most are viruses, bacteria and fungi with a smaller number being protists. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. |
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