When an object rests on a surface, such as a table, for example, the downward force it applies to the surface is counteracted by an equal but upwards force, or reaction, applied by the surface. See more at Newton's laws of motion. A response to a stimulus, such as a reflex.
State. Aquatic Invasive Species: Snakehead (PDF | 201 KB). Indiana Department of Natural Resources. Northern Snakehead. Maryland Department of Natural Resources. Northern Snakehead Fish (Channa argus). New York Department of Environmental Conservation.
1 Asian carp are a type of fish native to Asia that have been introduced or could be introduced in the United States. 2  Asian carp are regarded as highly invasive species in the U.S. capable of causing economic, ecological or human health harm. 3  They include the flowing species: