It is a study of ECOSYSTEM and known as ECOLOGY......
The answer is speciation by geographic isolation. When the population of a species gets separated due to reasons such as continental drift, mountains, canyons, etc. then each separated group of population may survive and adapt to their respective environment leading to speciation. These barriers do not allow the evolving populations to interbreed initially and over time when they evolve into different species they become completely reproductively isolated.
True because Weathering is the process breakdown of materials through physical or chemical actions and Erosion occurs when weathered materials such as soil and rock fragments are carried away by wind, water or ice. Many forces are involved in weathering and erosion, including both natural and man-made causes.This will causes rocks to disintergrate
Answer:
I think its d or b but I am not sure learned this last year
