The answer to this given question is the letter "C". The basis of immunoassay is the unknown amount of drug in a sample competes with the known amount os fluorescently labeled drug for binding to an antibody to that drug.
The regulation of the bodies internal environment is called homeostasis. And there are so many ways that affect homeostasis in the human body and to name three: first is the heat where we seat when we get too hot. Second, is the cold where we shiver when we get too cold and the third is the fluid intake where dehydration can kill.
Answer:Rocky intertidal
Explanation: they provide them shelter because the rock acts as a media(surface) in which glue to hold or stick to organism. The glue been secreted by seeweed is an adaptation(survival) mechanism they have to Rocky intertidal