Lichens are the dominant organism at first.
microorganisms
Primary succession occurs after a natural process like a volcanic eruption or flood where there is no soil or organic matter left. This type of succession starts from bare rock or sediment and involves pioneer species gradually colonizing and establishing ecosystems over time.
Moss, Algae, and Blue-green Bacteria
It's primary succession!
The beaver building a dam would be considered a form of secondary succession because the beaver is altering an existing ecosystem rather than colonizing a new, barren area. The dam creates new habitat and changes the environment, allowing for new species to establish and thrive.
The parts of the ecosystem that had to be established before the primary succession shown in the transparency could occur is the lichens, rocks and soil...also that the mosses, ferns, shrubs, and grasses are parts of the primary succession.
according to my research ecological succession and biological succession of plant life is the two primary succession in tundra.
Secondary succession can happy after primary succession . Secondary can be independent but is not usually independent from primary succession.
It takes about 1,000 years for primary succession.
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The succession stages differ from primary succession as the stages are nothing more than mere points of succession. Meanwhile, primary succession is considered to be a complete success and not just a point in success.
The communities in a successional sequence of primary succession?