- Microorganisms | Encyclopedia. com
Microorganisms as Food Blue- green algae of the genus Spirulina have been harvested from ponds and eaten for centuries by the ancient Aztecs in Mexico and Africans in the region of Lake Chad
- Biotoxins - Encyclopedia. com
Biotoxins The term biotoxin refers to naturally occurring, poisonous agents that can cause illness or injury to humans, animals, and marine life They may come from bacteria, fungi , algae, or virii Some of the more well-known bacterial biotoxins include Bacillus anthracis (anthrax ), Brucella melitensis and Brucella suis (brucellosis), Vibro cholerae (cholera ), and Yersinia pestis (plague
- Chlorophyll - Encyclopedia. com
Chlorophyll (KLOR-uh-fill) is the pigment that gives plants, algae, and cyanobacteria their green color The name comes from a combination of two Greek words, chloros, meaning "green" and phyllon, meaning "leaf " Chlorophyll is the substance that enables plants to create their own food through photosynthesis At least five forms of chlorophyll
- Rhodophyta - Encyclopedia. com
Rhodophyta (red algae) A group of Eukarya which are mostly red in colour; no flagellated cells are formed, and the storage product is a type of starch known as floridean starch Sexual reproduction tends to be complicated Red algae may be unicellular, but most are filamentous or membranaceous The majority occur in the sea, but some are freshwater or terrestrial The group includes 1 class
- Aristotles lantern | Encyclopedia. com
Aristotle's lantern In regular echinoids, the jaw apparatus, which consists of five, strong jaws, each with one tooth, that form a structure shaped like a lantern inside the mouth The teeth are used for scraping algae and other material from the surface on which the animal feeds Source for information on Aristotle's lantern: A Dictionary of Zoology dictionary
- Algae - Encyclopedia. com
Algae Algae (singular: alga) are photosynthetic, eukaryotic organisms that do not develop multicellular sex organs Algae can be unicellular, or they may be large, multicellular organisms Algae can occur in salt or fresh waters, or on the surfaces of moist soil or rocks The multicellular algae develop specialized tissues, but they lack the true stems, leaves, or roots of the more complex
- Yeast - Encyclopedia. com
Yeast Yeasts are single-celled fungi , belonging mainly to the Ascomycetes, that serve as nutrient recyclers in nature, but are also important in industry, biotechnology , and as the agents of disease in humans The term yeast is generically used in reference to many species of single-celled, budding fungi, including Saccharomyces —used in baking and brewing —and Candida —an infectious
- Bacillariophyceae | Encyclopedia. com
Bacillariophyceae (diatoms) Class of unicellular algae, usually occurring singly, but may be colonial or filamentous Cell size ranges from 5 to 2000 μm Source for information on Bacillariophyceae: A Dictionary of Earth Sciences dictionary
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