安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Diatom | Description, Characteristics, Reproduction | Britannica
Diatoms are among the most important and prolific microscopic sea organisms and serve directly or indirectly as food for many animals Diatomaceous earth, a substance composed of fossil diatoms, is used in filters, insulation, abrasives, paints, and varnishes and as a base in dynamite
- What are Diatoms? - Diatoms of North America
Diatoms are algae that live in houses made of glass They are the only organism on the planet with cell walls composed of transparent, opaline silica Diatom cell walls are ornamented by intricate and striking patterns of silica Why should I care?
- Diatom - Definition, Reproduction and Location - Biology Dictionary
Diatoms are a common type of unicellular phytoplankton that likely originated around the Jurassic period Diatoms can form colonies characterized by particular shapes (e g , stars, fans, and ribbons) and are encapsulated by a unique cell wall composed of silica, termed a frustule
- Diatoms – Definition, Structure, Life Cycle, Importance
Diatoms are like tiny factories that use sunlight to make energy through a process called photosynthesis, just like plants They are a type of plankton, which are tiny organisms that float in the water Diatoms are an important part of the ocean’s food chain, providing energy for many other creatures, from small fish to big whales
- 4. 4: Diatoms - Biology LibreTexts
Diatoms are an incredibly diverse group of unicellular organisms containing anywhere from 20,000 to 2 million species These organisms are unicellular and surrounded by a frustule, a silica shell made from two distinct valves that enclose the plasma membrane
- Diatom - Definition and Examples - Biology Online Dictionary
A diatom is a unicellular eukaryotic alga characterized by having a siliceous covering and a symmetrical body Diatoms are mostly aquatic, being found in fresh, brackish, and saltwater Some are found in moist places, such as soil Diatoms comprise the taxonomic phylum Bacillariophyta They may be solitary or in colonies
- Diatom - an overview | ScienceDirect Topics
Diatoms are photosynthetic unicellular eukaryotic microorganisms of the class Bacillariophyta They are the most prevalent eukaryotes in the aquatic ecosystem with a very fast growth rate
- Diatom Structure: Frustule, Form, and Function - Biology Insights
Diatoms are a major group of single-celled algae, a type of phytoplankton, that inhabit nearly all aquatic environments These microscopic organisms are responsible for producing a significant amount of the planet’s oxygen through photosynthesis, making them a foundational component of aquatic food webs The number of diatom species is vast
|
|
|