Name: _________________________________________________ Date: _______________ Period: ________
Biology Notes: Succession
Directions: Fill in the blanks as we cover the topic in the PowerPoint.
Corresponds to textbook pages 445-557
1. Primary Succession
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Defined: Establishment and ____________________________ of an _______________________ in an
____________________________environment
•
Starts with ___________________________
•
Volcanic Activity
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_________________ cools and _____________________ into _______________,
forming new land.
•
Glaciers__________________________
•
____________ land is _____________________ and ready to be _______________
Pioneer Species
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Defined: ____________organisms to __________________new land
– ___________ and ____________ grow on __________rock
– _____________matter and crumbling_____________ __________ layer of ______________
The process continues
•
________________ grow in the __________ soil.
•
__________________flowers & _______________build up more ___________________matter
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Small ___________________ and ___________________ inhabit the land.
The process continues
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Enough_________________ to _____________________small trees
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_______________________ use the _________________ as a ________________________.
Climax community
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______________________ trees take ________________
–
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_______________in and ___________________ with _____________________trees
____________________ animals ___________________ new __________________
2. Secondary Succession
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Defined: ________________________ an _________________________ after a __________________
– Forest _________, floods, tree____________…
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Occurs at a _______________________ rate
– _______________already _________________
– _______________ matter _________________ nutrients to _________________
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 are the final organisms to live within a newly created patch of land 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? _________________________________________
____________________________________________________________________________________