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sea pen
(Encyclopedia)sea pen, long, slender colonial organism of the same phylum as the jellyfish. Sea pen colonies are formed by several genera of the order Pennatulacea. The colony consists of a stalk formed by an organ...Shimomura, Osamu
(Encyclopedia)Shimomura, Osamu, 1928–2018, Japanese organic chemist and marine biologist, Ph.D. Nagoya Univ., 1960. Shimomura was a researcher at Princeton (1960–82) and a professor (1982–2001) simultaneously...hydra, in zoology
(Encyclopedia)hydra hīˈdrə [key], common name for freshwater organisms in the phylum Cnidaria, which includes jellyfish, sea anemones, and corals. Hydras are widely distributed in lakes, ponds, and sluggish stre...Moerner, W. E.
(Encyclopedia)Moerner, W. E. (William Esco Moerner), 1953–, American physical chemist, b. Pleasanton, Calif., Ph.D. Cornell, 1982. Moerner worked at the IBM Almaden Research Center from 1981 to 1995 and at the Un...man-o'-war bird
(Encyclopedia)man-o'-war bird or frigate-bird, most aerial of the water birds, found in the tropic seas. The man-o'-war bird's wingspread (71⁄2 ft/228.5 cm) is the largest in proportion to its body (3–4 lb/1.4...fluorescence
(Encyclopedia)fluorescence flo͝orĕsˈəns [key], luminescence in which light of a visible color is emitted from a substance under stimulation or excitation by light or other forms of electromagnetic radiation or ...sting
(Encyclopedia)sting, in zoology, organ found in bees, many wasps, some ants, and in scorpions and sting rays, used defensively as well as to kill or paralyze prey. In the bee and the wasp the venom is produced by g...polyp and medusa
(Encyclopedia)CE5 Polyp and medusa stages in the life cycle of Obelia, representative of the phylum Cnidaria polyp and medusa, names for the two body forms, one nonmotile and one typically free swimming, found ...Dinoflagellata
(Encyclopedia)dinoflagellata dīˌnōflăjˌəlätˈə, –lāˈtə [key], phylum (division) of unicellular, mostly marine algae, called dinoflagellates. In some classification systems this division is called Pyrrh...venom
(Encyclopedia)venom or zootoxin, any of a variety of poisonous substances produced by animals. In poisonous snakes, venom is secreted in two poison glands, one on each side of the upper jaw, and enters the fang by ...Browse by Subject
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