A2 Biology Unit 4 Flashcards - Ecological succession 0.0 / 5 ? BiologyHuman, animal and plant behaviourA2/A-levelAQA Created by: Kira BarnettCreated on: 20-03-16 19:53 What is succession? Changes over time to a species that occupy a particular area 1 of 7 What is the first stage of succession? The colonisation of an inhospitable enviroment by organisms called pioneer species 2 of 7 What is a climax community? When the community has evolved enough to allow many species both human and plants to flourish 3 of 7 What is there normally within a climax community? A dominant plant species and dominant animal species 4 of 7 What is the pioneering stage? Early years - bacteria colonise the land reduce toxic factors 5 of 7 What is conservation? Management of the Earth's natural resources to maximise them 6 of 7 What are the 3 main reasons for conservation? Ethical, Economic - bigger gene pool, Cultural and aesthetic - Enrich our land 7 of 7
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