The formal region is superior (proximal) to the crural region.
Our body is divided into different regions. The term Proximal refers to the closer point of attachment to body's main part. Thigh is the femoral region of the body. An example is that, knee is proximal to feet. The femoral region is also proximal to plantar region.
The first graph: Commensalism
The second graph: Mutualism
The third graph: Parasitism
The fourth graph: prey-predator
Hope this helps :)
A network of membranous tubules within the cytoplasm of a eukaryotic cell, continuous with the nuclear membrane. It usually has ribosomes attached and is involved in protein and lipid synthesis.