Biology 6.2 Succession

a series of somewhat predictable events that occur in a community over time

• ecological succession

• primary succession

• secondary succession

• climax community

begins on newly formed rock or other areas that have no remnants of an older community

• ecological succession

• primary succession

• secondary succession

• climax community

occurs when a disturbance affects an existing community but doesn't completely destroy it

• ecological succession

• primary succession

• secondary succession

• climax community

the first species to colonize barren areas; named after rugged human pioneers who first settle wilderness areas

• keystone species

• invasive species

• pioneer species

• predators

Years ago, ecologists thought that succession in a given area would always proceed through the same stages to produce a specific, uniform, and stable ___. But recent studies have shown that succession doesn't always follow the same path, and that communities are often not uniform and stable.

• primary succession community

• climax community

• secondary succession community

• disturbances

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-5

result of a volcanic explosion

• climax community

• pioneer species

• secondary succession

• primary succession

result of a wildfire

• climax community

• pioneer species

• secondary succession

• primary succession

Tags

NGSS.MS-LS2-4

lichen

• climax community

• pioneer species

• secondary succession

• primary succession

What is the main feature of primary succession?

• trees

• soil formation

• shrubs

• grasses

How do most pioneer species arrive in an ecosystem?

• wind

• birds

• water

• farming