Excessive richness of nutrients in a body of water caused by the run off from the land, which causes dense plant growth (algae bloom), and the eventual death of all plants and animals in that body of water, is called eutrophication soil erosion deforestation fossil fuels

primary succession begins with a bare rock and ends with a forest secondary succession begins after a natural disaster where there is a temporary setback after a forest fire or local destruction, but the surrounding area can fill in

answer'(basidium)the spore--bearing structure of a basidiomycete is called a basidiocarp; ///