CE review wkst

CE review wkst - Ecological succession: this is the...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Ecological succession : this is the transition in the species composition of a community following a disturbance. The disturbed area may be colonized by a variety of species, which are gradually replaced by other species, which are in turn replaced by still other species. Primary succession : The type of ecological succession that occurs in an area where there were originally no organisms present and where soil has not yet formed Secondary succession : The type of succession that occurs where an existing community has been cleared by some disturbance that leaves the soil or substrate intact Early arrivals may facilitate the appearance of the later species by making the environment more favorable. Alternatively, the early species may inhibit establishment of the later species, so that successful colonization by later species occurs in spite of the activities of the early species. Four Stages in succession:
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 01/22/2012 for the course BIOL 1030 taught by Professor Jones during the Spring '10 term at Alabama.

Page1 / 2

CE review wkst - Ecological succession: this is the...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online