From research I think the theory is ‘Island Rule’ but what I know is that he realized that on isolated islands the sizes of animals would differ from their mainland relatives. This is because of the scarcity of foods on islands or the lack of predators
The Senegal River has a length of about 675 miles and serves as part of the border between Mauritania and Senegal, before finally draining into the Atlantic Ocean. The headwaters of the river come from two rivers that originate in Guinea, namely the Bafing and Semefé (Bakoye) rivers.
It seems that you have missed the necessary options for us to answer this question so I had to look for it. Anyway, here is the answer. Farmers in the Asian Region <span>will be most impacted if all artemisinin is grown synthetically. It is grown mainly in China and Vietnam. Hope this helps.</span>
Shaded Relief map is the type of map that uses relief shading to simulate the appearance of sunlight and shadows. Dark shadows on the map depict steep mountains while the absence of shadow depict a flat land.
Another type of Relief map is Raised Relief Map which is a three dimensional plastic or vinyl map that portrays the physical features of the region.