1 Ecological Succession Change over time 1. 2 Pioneer Organisms Pioneer organisms are the first organisms to reoccupy an area which has been disturbed. - ppt download
Pioneer species - Definition and Examples - Biology Online Dictionary
Pioneer Species Trees: Stages of Ecological Succession Primary Examples
Primary succession | Definition, Stages, & Facts | Britannica
Terms: pioneer species – the first organisms that live in a previously uninhabited area climax community – a stable, mature community that undergoes little. - ppt download