Name: _________________________________________________ Date: _______________ Period: ________ Biology Notes: Succession Directions: Fill in as we cover the topic in the PowerPoint. Corresponds to textbook pages 445 – 447. Primary Succession •
Defined: Establishment and ____________________________ of an _______________________ in an ____________________________ environment •
Starts when bare _______________ is _____________ or ______________. •
Volcanic Activity •
___________________ cools and _______________________ into ________________, creating ______________ land. •
Glaciers ___________________ •
_____________ land is ______________________ and ready to be _________________ Pioneer Species •
Defined: ______________ organisms to ____________________ new land. •
_______________ and ________________ grow on ______________ rock. •
_____________ matter __________________ with _____________ pieces. – Thin ________________ layer begins to accumulate. The process continues •
_____________ enter the area and _____________. •
_____________ flowers & ________________ accumulate more ___________________ matter •
With new plants, small _____________________ and _____________________ inhabit the area. The process continues (even more time passes)… •
Small _____________ take _____________ in the accumulated organic matter •
More _____________ use the trees as a _____________ Climax community •
_____________ trees take _____________ –
•
___________________ and ___________________ the ___________________ smaller trees. ___________________ animals _____________________ new ____________________. Secondary Succession •
Defined: _____________/______________ that take place in an ___________________ ecosystem after a __________________ occurs. – Forest ___________________, floods, tree ______________________… •
Occurs at a ________________________________ rate (______________ _____________)
Review 1) What are the first organisms to live within a newly created patch of land called? _______________________________________________________________________________________ 2) Give examples of the answer to question #1: __________________________________________________ 3) What is a community of organisms that has reached a steady growth stage called? ___________________ 4) How are new areas of land created? _________________________________________________________ 5) Give a few examples how the process of secondary succession can start. _______________________________________________________________________________________ 6) How does primary and secondary succession differ? ____________________________________________ _______________________________________________________________________________________ 7) How is soil created? ______________________________________________________________________