- 行业: 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 moisture-free weight of a biological sample obtained by drying at high (oven-drying) or low (freeze-drying) temperatures for an time sufficient to remove all water.
Industry:Natural environment
The sloping sea bottom of the continental margin that begins at a depth of about 100 to 150 m at the shelf edge and ends at the top of the continental rise or in a deep-sea trench.
Industry:Natural environment
A body part that serves the same function in different organisms, but differs in structure and embryological development, e.g., the wing of an insect and a bird.
Industry:Natural environment
A distribution in which the frequency curve has two peaks. A single peak is called a mode.
Industry:Natural environment
A line fit to a set of data points (scatterplot) using least-squares regression; a graph of the mathematical relationship between two variables.
Industry:Natural environment
A pinching claw of a decapod crustacean, composed of a moveable finger, the dactylus, and a fixed finger, a distal extension of the propodus.
Industry:Natural environment
A software program, such as Netscape Navigator or Microsoft Internet Explorer, that allows one to view pages on the Internet.
Industry:Natural environment
A type of excretory tubule in annelid worms. The metanephridium has internal openings called 'nephrostomes' that collect body fluids and conducts them to the outside through external openings, the 'nephridiopores'.
Industry:Natural environment
An evolutionary model in which change occurs in relatively rapid bursts, followed by little or no discernible change in a lineage (stasis).
Industry:Natural environment
