- 行业: Government
- Number of terms: 30456
- Number of blossaries: 0
- Company Profile:
NOAA Coral Reef Conservation Program, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
Refers to organisms that inhabit open water, as opposed to benthic.
Industry:Natural environment
The breakdown, by hydrolysis, of complex ingested nutrient compounds (carbohydrates, fats, proteins) into their building blocks, i.e., the conversion of food, in the alimentary canal, into soluble and diffusible products, capable of being absorbed into the circulating fluid and the cells.
Industry:Natural environment
The locomotor structure of ctenophores (comb jellies) made up of cilia arranged into flattened plates. The ctenes are arranged into eight longidutinal bands, from the aboral to the oral surface.
Industry:Natural environment
A corallite that is embedded in the surrounding coenosteum.
Industry:Natural environment
A non-motile diploid spore formed on the carposporophyte stage of the red algae life cycle which germinates to form the tetrasporophyte stage.
Industry:Natural environment
A single large filament or threadlike structure of a synthetic fiber, such as a monofilament fishing line.
Industry:Natural environment
A thick, vascularized extra-embryonic membrane of amniote embryos that forms around the entire undersurface of the eggshell in birds and reptiles, and in direct contact with the uterine wall in mammals. It unites with the allantois to form the major structure for exchange between the embryo and the outside (birds and reptiles) or the maternal circulation (mammals).
Industry:Natural environment
