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  • 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
  • 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
  • Protists - Encyclopedia. com
    Some species of brown algae have an air bladder to keep the thallus floating at the surface of the water, where more light is available for photosynthesis Brown algae store their energy as laminarin, a carbohydrate The phylum Chlorophyta is known as the green algae This phylum is the most diverse of all the algae, with greater than 7,000
  • Acoela (Acoels) - Encyclopedia. com
    Various acoel species feed on algae, microorganisms and detritus, ingesting food through a simple pharynx or even simpler mouth located on the ventral surface Some carry endosymbiotic algae within their epidermis and absorb nourishment manufactured by the algae
  • Pyrrophyta - Encyclopedia. com
    Cryptomonads for instance, are considered red-brownish algae of Cryptomonadida Order by botanists, and protozoans of Cryptophycea Class by zoologists This controversy is due to the unusual characteristics of these two phyla, sharing features with both plants and animals
  • Heterotrophic Bacteria - Encyclopedia. com
    Heterotrophic bacteria Heterotrophic cells must ingest biomass to obtain their energy and nutrition In direct contrast, autotrophs are capable of assimilating diffuse, inorganic energy and materials, and using these to synthesize biochemicals Green plants, for example, use sunlight and simple inorganic molecules to photosynthesize organic matter Source for information on Heterotrophic
  • Hydrozoa (Hydroids) - Encyclopedia. com
    The polyp stages of many species live exclusively on certain types of substrate, usually other organisms such as fishes, tunicates, polychaetes, bryozoans, mollusks, crustaceans, sponges, cnidarians, algae, sea-grasses, etc , with which they have symbiotic relationships ranging from simple epibiosis to commensalisms, mutualism, and parasitism
  • Cyanobacteria - Encyclopedia. com
    Cyanobacteria Cyanobacteria (blue-green algae [1]) are microorganisms that structurally resemble bacteria (they lack a nucleus and organelles ) However, unlike other bacteria, cyanobacteria contain chlorophyll a and conduct oxygenic photosynthesis


















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