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Ecological Succession Process

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Questions and Answers

What is the term used by ecologists to describe the changes that occur in ecosystems over time?

Equilibrium

Climax community

Pioneer community

Succession (correct)

What is the typical duration of change in pioneer and successional plant communities?

500 to 1000 years

1 to 500 years (correct)

More than 1000 years

Less than 1 year

What is the characteristic of climax communities in terms of change?

They remain constant and unchanging

They change in a predictable and uniform manner

They change slowly over long periods (correct)

They change rapidly over short periods

What is the nature of the final stage of a succession?

Unpredictable and of variable composition Signup and view all the answers

What is the relationship between the environment and climax communities?

The environment determines the composition of climax communities Signup and view all the answers

What is the primary factor influencing the distribution of a given species according to the opposition to the Clementsian concept of plant ecology?

The habitat requirements of that species Signup and view all the answers

Why is the metaphor of a 'superorganism' considered misleading when applied to a climax community?

It suggests a level of internal cohesion that is not present in the community Signup and view all the answers

What is the main difference between the terms 'community' and 'association' in the context of plant ecology?

The term 'community' implies a closer interaction between species, while 'association' implies a looser interaction Signup and view all the answers

What is the primary criticism of the concept of 'biome' in the context of plant ecology?

It implies a level of internal cohesion that is not present in the combination of coexisting flora and fauna Signup and view all the answers

What is the main argument of Clements' characterization of the climax community as a 'superorganism'?

That the climax community is a highly organized and interacting system Signup and view all the answers