Fill in the table below for how plant communities change as the community develops from primary succession.

Expert Solution

1. Bare rock - from a lava flow (no plants)

2. Pioneer species - Lichens and mosses

3. Small annual plants

4. Perinnial plants and grasses

Primary succession :

Stage 1: The bare rock is exposed by glaciers or volcanic eruptions.

Stage 2: Lichens and moss – pioneer species begin to grow on the rock.

Stage 3: Lichens and moss decompose which creates the first organic soil. The grasses and small herbaceous plants start to grow.

Stage 4: Soil thickens; Small shrubs and bushes start to grow.

Stage 5: Smaller, shade-intolerant trees (Intermediate species) develop.

Stage 6: Larger trees and shade-tolerant plants (Climax community) begin to grow.

gladiator answered 2 years ago

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