Answer:
the answer is D which is CJD
Receptors detect changes in the environment. For a stimulus to elicit a response, certain cells must have an appropriate receptor. Stimulation of the receptor initiates a specific signal pathway.
Approximately in 1995, there were 256 trout in the population
multiplied last answer by 4
Genus
for example
scientific name for tiger : Panthera Tigris
Panthera is the Genus name
Tigris is the Species name
hope this helps
