<span>The scientific study of the distribution and
abundance of organisms and the interactions that determine distribution
and abundance. This definition encompasses not only the plants and
animals that Haeckel recognized but microscopic organisms such as Bacteria, Archaea and protozoa, as well.</span>
Answer:
A- front of the knee
this is because the pain would release behind the knee pushing towards it.
hope I helped.
Although it is necessary to have an epistatic factor in order to hide the expression of a hypostatic gene, epistatic interactions can be both downstream and upstream (which correspond to negative and positive regulatory pathways, respectively)
