- 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
The science dealing with the physical, chemical and biological properties and features of cancer, including the causes and progression of the disease.
Industry:Natural environment
Unique to chitons (Polyplacophora -Mollusca), aesthetes are photosensitive mantle cells, present in very high densities. Although they are involved in light responses, their exact function is unknown.
Industry:Natural environment
A hard shield, or shell covering, found over all or part of the anterior dorsal portion of an animal. In lobsters, shrimps, crayfish, and crabs, the carapace is the part of the exoskeleton that covers the head and thorax and protects the dorsal and lateral surfaces. In many crustaceans, the term carapace is also used to describe the hard, protective covering of the cephalothorax, as that of the horseshoe crab. The carapace of a turtle's shell is composed of expanded ribs and vertebrae overlain by dermal plates and horny scales.
Industry:Natural environment
A neurological receptor that receives information from the environment external to the organism.
Industry:Natural environment
A shape that is tapered at both ends; spindle-shaped; torpedo-shaped, like a mackerel.
Industry:Natural environment
A tentative assumption made for the purpose of empirical scientific testing. A hypothesis becomes a scientific theory when repeated testing and the great body of evidence suggests that the hypothesis has a stong probability of being correct.
Industry:Natural environment
An area in which most residents depend on agriculture or the harvesting of natural resources for their livelihood.
Industry:Natural environment
Any electromagnetic radiation having a wavelength in the approximate range from one millimeter to one meter, the region between infrared and short-wave radio wavelengths.
Industry:Natural environment
Describes regions and countries that are still in the process of acquiring modern technology and becoming economically productive. These regions are sometimes called the “Third World”.
Industry:Natural environment
