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Question
The first organisms to colonise the bare, lifeless substrate are known as
The first organisms to colonise the bare, lifeless substrate are known as
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Solution
The correct option is A pioneer species
In case of a primary succession, the succession is occurring in bare, lifeless areas that have never been colonized before. So, the first organisms to colonise the bare, lifeless substrate are known as pioneer species. For example, algae and lichens. They provide organic material for soil development and increase weathering of substrates due to acidic secretions from lichens.
In case of a primary succession, the succession is occurring in bare, lifeless areas that have never been colonized before. So, the first organisms to colonise the bare, lifeless substrate are known as pioneer species. For example, algae and lichens. They provide organic material for soil development and increase weathering of substrates due to acidic secretions from lichens.
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