aquatic organisms
51dormancy — /dawr meuhn see/, n. the state of being dormant. [1780 90; DORM(ANT) + ANCY] * * * ▪ biology Introduction state of reduced metabolic activity adopted by many organisms under conditions of environmental stress or, often, as in winter, when… …
52Gill — A gill is an anatomical structure found in many aquatic organisms. It is a respiration organ whose function is the extraction of oxygen from water and the excretion of carbon dioxide. The microscopic structure of a gill is such that it presents a …
53Academy of Natural Sciences — Infobox Museum |name = The Academy of Natural Sciences | |imagesize = 280 |latitude = 39.9570 |longitude = 75.1714 |established = 1812 |location = Philadelphia |type = Natural History Museum |director = William Yancey Brown |collection = 17+… …
54Glyphosate — Chembox new ImageFile = Glyphosate 2D skeletal.png ImageSize = ImageFile2 = Glyphosate 3D balls.png IUPACName = [(phosphonomethyl)amino] acetic acid OtherNames = Section1 = Chembox Identifiers CASNo = CASRN|1|0|7|1|8|3|6 PubChem = 3496 SMILES =… …
55Dredging — Dredge redirects here. For other uses, see Dredge (disambiguation). Dredgers redirects here. For the German municipality, see Dreggers. Dredging is an excavation activity or operation usually carried out at least partly underwater, in shallow… …
56Fecal coliforms — (sometimes faecal coliforms) are facultatively anaerobic, rod shaped, gram negative, non sporulating bacteria. They are capable of growth in the presence of bile salts or similar surface agents, oxidase negative, and produce acid and gas from… …
57Myxobolus cerebralis — Systematik Stamm: Nesseltiere (Cnidaria) ohne Rang: Incertae sedis …
58Chironomidae — Male Chironomus plumosus Scientific classification Kingdom: Anima …
59Environmental effects of coal — There are a number of adverse environmental effects of coal mining and burning.These effects include: * release of carbon dioxide and methane, both of which are greenhouse gases causing climate change and global warming according to the IPCC.… …
60Propylene glycol — Propylene glycol[1] …
