- 업종: 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
A behavior that once served its own purpose but has come to act as a signal about that purpose. For example, agonistic behaviors that substitute for physical contact and fighting, such as the erection of fins by fishes during displays, the yawn of baboons, the baring of teeth in dogs and wolves, the raising of fur in cats, and birds raising their feathers.
Industry:Natural environment
A learning process where an animal learns by connecting its own behavior with a response from its environment.
Industry:Natural environment
A person catching fish or shell fish with no intent to sell; includes people releasing the catch.
Industry:Natural environment
A small underwater vessel (submarine) which requires a support ship to transport it to and from the diving area. It is used primarily for oceanographic research. There are also some commercial submersibles that carry tourists below scuba diving depths to view coral reef walls.
Industry:Natural environment
A type of appendage that is characteristic of crustaceans. It forks from the basal protopodite to form two branches, the inner endopodite and the outer exopodite. Each of these branches can be composed of either one or more segments. There are many variations on this generalized structure; the branches often possess highly specialized extensions.
Industry:Natural environment
An environment created along permanent and semi-permanent streams because of the increase in soil moisture.
Industry:Natural environment
Any species of bony fishes in the family Carangidae (which also includes the pompanos). Jacks are cosmopolitan in warm and temperate marine waters, some even venturing into brackish and fresh water. As a group, they are swift and strong predators. Typical.
Industry:Natural environment
Ethyl alcohol (ethanol) to which a poisonous substance, such as acetone or methanol, has been added to make it unfit for consumption.
Industry:Natural environment
