Ecological Succession Concepts

What is ecological succession?

• The process of organisms changing over time in an ecological community.

• The process of a single organism growing and developing.

• The movement of animals from one area to another.

• The competition between different plant species.

Which level of ecological organization includes multiple populations of different species living together in an area?

• Organism

• Population

• Community

• Ecosystem

What is a key characteristic of primary succession?

• It occurs in an area where soil is already present.

• It begins in an area that is brand new and has no soil.

• It is a very fast process, taking only a few years.

• It only involves animal species colonizing an area.

What is the main difference between primary and secondary succession?

• Primary succession involves animals, while secondary succession involves plants.

• Secondary succession is always caused by human activity, while primary is natural.

• Primary succession starts without soil, while secondary succession starts with existing soil.

• Secondary succession takes much longer than primary succession.