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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
  • Anthozoa (Anemones and Corals) - Encyclopedia. com
    These symbionts are usually dinoflagellates, called "zooxanthellae"; however, green algae symbionts ("zoochlorellae") are also known Most shallow-water, reef-building corals contain zooxanthellae, and they also may be found in tropical gorgonians, anemones, and zoanthids
  • Oceanography | Encyclopedia. com
    Oceanography Oceanography, also called marine science, is the study of the ocean Its goal is to discover unifying principles that can explain data measured in ocean waters, in the organisms that live in the ocean, and on the land surrounding the ocean Oceanography is a broad subject, drawing on techniques and theories from biology, chemistry, physics, mathematics, geology, and engineering
  • Biotic Factor | Encyclopedia. com
    Most producers are green plants or algae that make organic compounds through photosynthesis This process begins when sunlight is absorbed by chlorophyll and other pigments in the plant The plants use energy from sunlight to combine carbon dioxide from the atmosphere with water from the soil to make carbohydrates, starches, and cellulose
  • Microcoryphia (Bristletails) - Encyclopedia. com
    Grazes on algae, lichens, and mosses growing on rocks reproductive biology Fertilization approaches an internal mode The male and female elevate the tips of their abdomens and bring them into contact, aligning themselves at a 45° angle The male deposits a sperm droplet onto the ovipositor of the female Tactile contact is minimal
  • Precambrian Era | Encyclopedia. com
    Precambrian In geologic time , Precambrian time encompasses the time from Earth 's formation, approximately 4 5 billion years ago, until the start of the Cambrian approximately 540 million years ago (mya) Because the Precambrian is not a true geologic eon, era, period, or epoch, geologists often refer to it as Precambrian time (or simply, Precambrian) Precambrian time represents the vast
  • Bioremediation - Encyclopedia. com
    Bioremediation Introduction Bioremediation comes from two words—bio, which is short for biological, and remediation, meaning to remedy The term refers to the use of living organisms including bacteria, fungi and plants, or enzymes from these organisms (enzymes are proteins that speed up chemical reactions without being changed by the reaction) to deal with an environmental problem The
  • Loricifera (Girdle Wearers) - Encyclopedia. com
    Loricifera (Girdle wearers) Phylum LoriciferaNumber of families 2Thumbnail description Group of microscopic, bilateral symmetrical animals characterized by a body with five sections: a protrusive mouth cone; a head (introvert) with up to nine rows of scalids (in the adults); a neck with trichoscalids; a thorax; and an abdomen with a lorica consisting of plates or plicae (folds) Source for
  • Bryophyte - Encyclopedia. com
    Bryophyte Bryophytes include the mosses, liverworts, and hornworts Bryophytes are the simplest of plants (excluding the algae , which are not considered plants by most botanists) Bryophytes are small, seldom exceeding 6-8 in (15-20 cm) in height, and usually much smaller They are attached to the substrate (ground, rock, or bark ) by rhizoids, which are one or a few-celled, root-like threads





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