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lionfish
(Encyclopedia)lionfish, common name for a genus (Pterois) of the family Scorpaenidae (see rockfish), comprising venomous subtropical marine fish native to the South Pacific, the Indian Ocean, and the Red Sea. Nativ...sea anemone
(Encyclopedia)sea anemone ənĕmˈənēˌ [key], any of the relatively large, predominantly solitary polyps (see polyp and medusa) of the class Anthozoa, phylum Cnidaria. Unlike the closely related corals, these or...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 ...subsidence
(Encyclopedia)subsidence, lowering of a portion of the earth's crust. The subsidence of land areas over time has resulted in submergence by shallow seas (see oceans). Land subsidence can occur naturally or through ...Hawaii, state, United States
(Encyclopedia)CE5 Hawaii həwīˈē, häväˈē [key], 50th state of the United States, comprising a group of eight major islands and numerous islets in the central Pacific Ocean, c.2,100 mi (3,380 km) SW of San...World Heritage Site
(Encyclopedia)World Heritage Site, a place of cultural or natural importance listed on the United Nations Educational, Scientific, and Cultural Organization (UNESCO) World Heritage List. The sites, some natural, so...Devonian period
(Encyclopedia)Devonian period dĭvōˈnēən [key], fourth period of the Paleozoic era of geologic time between 408 and 360 million years ago (see Geologic Timescale, tablegeologic timescale, table). It was named (...Franklin, Sir John
(Encyclopedia)Franklin, Sir John, 1786–1847, British explorer in N Canada whose disappearance caused a widespread search of the Arctic. Entering the navy in 1801, he fought in the battle of Trafalgar. On his firs...conservation of natural resources
(Encyclopedia)conservation of natural resources, the wise use of the earth's resources by humanity. The term conservation came into use in the late 19th cent. and referred to the management, mainly for economic rea...Cnidaria
(Encyclopedia)CE5 Internal anatomy of Hydra, representative of the phylum Cnidaria Cnidaria səlĕntəräˈtə [key], phylum of invertebrate animals comprising the sea anemones, corals, jellyfish, and hydroids....Browse by Subject
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