- 업종: Government
- Number of terms: 30456
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NOAA Coral Reef Conservation Program, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
The chemically precipitated calcium carbonate present in spaces within skeletons or between grains of internal sediment.
Industry:Natural environment
The mechanical or chemical decomposition of rocks due to weather .
Industry:Natural environment
Water circulatory system in sponges composed of choanoderm, pores and chambers.
Industry:Natural environment
A biotic or abiotic factor acting on an organism or population from outside the organism or population.These are the physical and chemical features of the environment, as well as other organisms.
Industry:Natural environment
A disease in which the organism produces antibodies against its own tissues.
Industry:Natural environment
A level of cellular organization intermediate between unicellular and multicellular; refers to organisms that occur in a fixed location, with one generation growing on top previous generations, as in coral reefs; types of animal that are organized into associations of incompletely separated individuals; eg, Portuguese man o' war, sponges and corals; in plants, describes cloning by asexual reproduction in which seemingly separate plants grew from rhizomes, stolons, or roots of a single or neighboring parent plant.
Industry:Natural environment
A smaller part of a habitat that has some internal interactions allowing it to function self-sufficiently within a generally larger habitat, such as a patch reef in a lagoon.
Industry:Natural environment
A type of behavior where the adult organism returns to its place of origin.
Industry:Natural environment
