- 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
- 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
- Seaweed | Encyclopedia. com
seaweed, name commonly used for the multicellular marine algae [1] Simpler forms, consisting of one cell (e g , the diatom [2]) or of a few cells, are not generally called seaweeds; these tiny plants help to make up plankton
- Green Algae | Encyclopedia. com
green algae Large group of marine and freshwater algae (phylum Chlorophyta) They are distinct from other algae by virtue of possessing cup-shaped chloroplasts that contain chlorophyll b, and by producing cells with flagella at some stage in their lives Green algae range in size from microscopic single-cell types to large, complex seaweeds
- 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
- trichothallic growth | Encyclopedia. com
trichothallic growth Growth that occurs only in particular, well-defined regions, e g at or near the base of the filament in certain brown algae (Phaeophyta) Source for information on trichothallic growth: A Dictionary of Plant Sciences dictionary
- 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
- Mushroom | Encyclopedia. com
Mushrooms Mushrooms are the fruiting bodies of certain species of higher fungi The vegetative tissues of these fungi consists of immense lengths of microscopic, thread-like hyphae, and their aggregations known as mycelium, which grow in surface soils, organic debris, and in association with plant roots Strictly speaking, a mushroom is the sporulating or fruiting body of a fungus in the
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