Ecology chp. 5 (4)

The gradual change in species composition in a given area

Involves the gradual establishment of biotic communities in lifeless areas where there is no soil in a terrestrial ecosystem or no bottom sediment in an aquatic ecosystem

In which a series of communities or ecosystems with different species develop in places containing soil or bottom sediment

Intense natural selection pressure between predator and prey populations

A stable group of plants and animals that is the end result of the succession process

The arrival of living things such as lichens that do not need soil to survive