What is Ecological Succession?

What is the primary role of ecological succession in an ecosystem?

• To introduce new species into the ecosystem

• To maintain the current state of the ecosystem

• To gradually change the composition or structure of the ecosystem

• To eliminate invasive species from the ecosystem

Which of the following best describes primary succession?

• It involves the re-establishment of a damaged ecosystem

• It is the final stage of ecological succession

• It happens in new habitats without soil, like after a volcanic eruption

• It occurs in areas with existing soil and vegetation

What is the initial stage of primary succession on a lava flow?

• Introduction of large mammals

• Development of a mature forest

• Colonization by small plants and animals

• Formation of soil layers

How does secondary succession differ from primary succession?

• It happens in pre-existing habitats and is faster

• It does not involve any plant growth

• It is slower due to lack of existing soil

• It occurs in new habitats without soil

What is the term for the final stable community in ecological succession?

• Primary community

• Pioneer community

• Secondary community

• Ecological climax