5.4 - How do communities and ecosystems respond to changing environmental conditions? Flashcards

1
Q

What is Primary Succession?

A

The gradual establishment of biotic communities in lifeless areas where there is no soil in a terrestrial ecosystem or no bottom sediment in an aquatic ecosystem.

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2
Q

What is Secondary Succession?

A

A series of communities or ecosystems with different species develop in places containing soil or bottom sediment.

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3
Q

What does Inertia/Persistence refer to?

A

The ability of a living system, such as a grassland or a forest, to survive moderate disturbances.

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4
Q

What is Resilience in ecological terms?

A

The ability of a living system to be restored through secondary succession after a moderate disturbance.

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5
Q

What is a Tipping Point?

A

Where any additional stress can cause the system to change in an abrupt and usually irreversible way that often involves collapse.

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