10. What structure is the source(where the pathway starts) and what structure is the sink(where the pathway will end) for
transpiration(evaporation of water)?

they each offer a fresh glut of resources to the organisms that can arrive and exploit them. as individuals and new species continue to appear, they actively and passively alter the environment. competition for shared resources increases, local abiotic and biotic conditions shift, and the relative abundances of species change accordingly. the process is called ecological succession, and it is one of the earliest and most well-known concepts in ecology.

satellites are frequently used to make observations of the orbit on earth