Photo AI
What is a pioneer species? A - AQA - A-Level Geography - Question 6 - 2018 - Paper 1
Question 6
What is a pioneer species? A. Following a drought, there is almost always significant die-back for most plant species. In these conditions, xerophytic pioneers colo... show full transcript
Worked Solution & Example Answer:What is a pioneer species? A - AQA - A-Level Geography - Question 6 - 2018 - Paper 1
Step 1
C. Plant species which require very few nutrients to survive and will colonise bare rock. These species are the first to colonise following a volcanic eruption and succession follows.
Answer
A pioneer species is defined as those organisms that are the first to colonize previously disrupted or damaged ecosystems. They are crucial for initiating ecological succession, particularly in barren environments such as bare rock following volcanic eruptions.