Ecological Succession Flashcard

Front

Ecological Succession

Back

The process of ecological change in an ecosystem where one community is replaced by another over time

Front

Which of the following is an example of primary succession?

• A forest regrowing after a wildfire
• Mosses and lichens growing on exposed rock
• A garden being planted in a backyard
• Animals repopulating an abandoned city

Back

Mosses and lichens growing on exposed rock

Front

What role do pioneer species play in primary succession?

Back

They create a more habitable environment for subsequent species

Front

Climax community

Back

A mature and stable community of plants and animals

Front

What is secondary succession in an ecosystem?

Back

The recovery of an old ecosystem that was previously occupied by living organisms.

Front

Typical pioneer species in secondary succession?

Back

Weeds and grasses

Front

Why does secondary succession typically occur more quickly than primary succession?

Back

Because the soil remains intact and contains some seeds and microorganisms.

Front

What defines a stable ecosystem?

Back

An ecosystem that remains relatively constant, with predictable changes.

Front

What is the correct order of succession shown in this figure?

Options: A, B, C, D, B, A, D, C, C, D, A, B, D, A, B, C

Back

C, D, A, B

Front

What type of succession is shown going from figure A to figure B?

Back

secondary succession